Microsoft is finally making it easier to change your default browser in Windows 11. A new update (KB5011563) has started rolling out this week that allows Windows 11 users to change the default browser with a single click. After testing the changes in December, this new one-click method is rolling out to all Windows 11 users. From a report: Originally, Windows 11 shipped without a simple button to switch default browsers that was always available in Windows 10. Instead, Microsoft forced Windows 11 users to change individual file extensions or protocol handlers for HTTP, HTTPS, .HTML, and .HTM, or you had to tick a checkbox that only appeared when you clicked a link from outside a browser. Microsoft defended its decision to make switching defaults harder, but rival browser makers like Mozilla, Brave, and even Google's head of Chrome criticized Microsoft's approach.

Mozilla today launched MDN Plus, a paid subscription product on top of the existing (and recently re-designed) Mozilla Developer Network (MDN), one of the web's most popular destinations for finding documentation and code samples related to web technologies like CSS, HTML and JavaScript. From a report: The new subscription offering will introduce features like notifications, collections (think lists of articles you want to save) and MDN offline for when you want to access MDN when you're not online. There will be three subscription tiers: MDN core, a free limited version of the paid plans; MDN Plus 5, with access to notifications, collections and MDN offline for $5 per month or $50 per year; and MDN Supporter 10 for those who are willing to pay a bit more to support the platform in addition to getting a direct feedback channel to the MDN team (as well as "pride and joy," Mozila says). As the name implies, that more expensive plan will cost $10 a month or $100 for an annual subscription.

Firefox is finally gaining proper AV1 support. Neowin reports: According to an update made to a post on Bugzilla, the Mozilla Foundation is finally ready to add hardware acceleration for the AV1 video format. Developers plan to implement improved AV1 support in the upcoming release of Firefox 100, scheduled to arrive on May 3, 2022. Hardware acceleration for AV1 video brings several noticeable benefits to customers. The standard developed by Alliance for Open Media and initially released in March 2018 offers better video compression than H.264 (about 50%) and VP9 (about 20%). Shifting AV1 video processing from software to hardware improves efficiency and reduces energy consumption, resulting in better battery life on tablets and laptops. Google and Microsoft announced hardware-accelerated AV1 video in Chrome and Edge in late 2020. Mozilla, on the other hand, did not rush to introduce improved AV1 support in Firefox. While it is easy to dunk on Firefox, there is a reason why developers took their time. Hardware-accelerated AV1 video is not something you can add to any computer with Windows 10, and it requires a PC with the most recent and powerful hardware.

In a formalization of an earlier Twitter-led push to try to exert influence over fast-forming European digital regulations, the social media firm has used its Twitter Spaces platform to host the official kick off of a policy advocacy lobby group that's being branded the Open Internet Alliance (OIA). From a report: Alongside Twitter, video streaming platform Vimeo; Automattic, the company behind WordPress.com, WooCommerce and Tumblr; the Czech and Slovak focused search engine company, Seznam; and Jodel, a Berlin-based (profile-less) social network, are named as founding members. Twitter said the establishment of this formal lobbying alliance has been some two years in the making. Notably Mozilla -- which had joined Twitter, Auttomatic and Vimeo in a earlier call for incoming EU digital regulations to support better user controls to tackle bad speech rather than hone in on content censorship -- is not being named as a founding member so appears to be sitting this one out. At the time of writing it's unclear why Mozilla is missing. But the Alliance is putting out a wider call for other "middle-layer" Internet companies to join the initiative -- so the grouping may grow in size.

Albeit -- very clearly -- big tech need not apply.

Speaking during a Twitter Spaces event today to discuss the formation of the alliance, Sinead McSweeney, Twitter's global policy VP, said the group is making a plea to lawmakers to think about the wider web ecosystem -- rather than see the Internet as "a monolith" comprised of just a handful of tech giants. "Our plea in aid of the open Internet is that [lawmakers] not view the Internet as a monolith, nor indeed view it as fixing the Internet solving all of societies problems," she said, urging policymakers to: "Take a wider focus when they're looking at solutions -- not look at the Internet just through the lens of a handful of companies. And really think about the entire ecosystem -- and get away from this sense 'oh big tech is the problem.' Because -- in actual fact, in their efforts to tackle so called 'big tech -- that is all we may end up with."

"Arch Linux, the rolling Linux distribution that powers Valve's Steam Deck is now 20 years old," reports Neowin.

Slashdot reader segaboy81 writes that "What's cool to see here is that everything changed behind the scenes, but on the surface, things are the same." From the article: Announced on March 11th, 2002, and codenamed Homer, version 0.1 was released to minor fanfare. The release notes were a far cry from today's, essentially announcing it had broken ground and the foundation was going in, as it were.

Homer's release notes:

I've finally got a bootable iso image on the ftp site. The bad news is that you don't get a pretty interactive installer. But if you wanted one of those, you would have gone with RedHat, right? ;)

I'll try to get the docs up for ABS (Arch Build System) which, IMHO, is one of the best advantages of Arch. With ABS, you can easily create new packages, and it's trivial to rebuild existing packages with your own customizations....

It shipped with Linux kernel 2.4.18 which many of the Linux old-timers (myself included) will remember was right before we started to get nice things like auto-mounting USB drives in kernel 2.6. XFree86 4.2.0 was also in stow, which is what we now call Xorg. If you wanted to build software, you had to use an absolutely ancient gcc toolchain (2.95.3). Web browsing was covered by the ghost of Netscape Navigator, Mozilla 0.9.9. Heady days, these were!

As Google announced today, version 99 of Chrome on macOS manages to score 300 points on the Speedometer benchmark, which was originally developed by Apple's WebKit team. This, Google points out, is the fastest performance of any browser yet. TechCrunch: Speedometer 2.0 tests for responsiveness, which makes it a good proxy for user experience. It's been a while since competition in the browser market focused on speed, especially now that most vendors bet on the same Chromium codebase to build their browsers (with the exception of Mozilla's Firefox and Apple's WebKit-based Safari). But that doesn't mean that the various development teams stopped thinking about how to speed up the user experience. As with a lot of mature technologies, we're just not seeing major breakthroughs these days. That doesn't mean the rivalry between the different vendors has stopped, even as they are now getting together as part of Interop 2022 to better align their browsers with web standards.

Protocol reports that Qualcomm will finally jump on the AV1 video codec bandwagon next year. Ars Technica reports: AV1 is the web's next open, royalty-free video codec, and widespread adoption will require hardware support from the world's chip vendors. Qualcomm's 2022 flagship SoC, the Snapdragon 8 Gen 1 chip, doesn't support AV1. Samsung's Exynos 2200 managed to ship the video codec this year in international versions of the Galaxy S22, while the MediaTek Dimensity 1000 SoC has been shipping in phones for over a year now with AV1 support. Apple is a founding member of the AV1 Alliance, but its devices also don't support the codec yet.

The report says Qualcomm's "upcoming flagship Snapdragon mobile processor" -- model number "SM8550" -- will support AV1. That would probably be called the "Snapdragon 8 Gen 2" SoC, due out in 2023. Wide adoption of AV1 seems inevitable, though it is taking a while. The codec is a successor to Google's VP8 and VP9 codecs and is being built by the Alliance for Open Media. The alliance's lineup is a who's who of tech companies, with founding members like Amazon, Apple, ARM, Facebook, Google, Intel, Microsoft, Mozilla, Netflix, Nvidia, and Samsung. Netflix and Google's YouTube are both making AV1 support "a requirement" for future products that want to support either video service. That should motivate just about every hardware and software vendor out there to get the job done. Aside from being open source and royalty-free, the report notes that the newer AV1 codec also has the benefit of being 30% more efficient than H.265.

Industry analysts and former Mozilla employees are concerned about Firefox's future, reports Ars Technica, warning that the ultimate fate of Firefox "has larger implications for the web as a whole." Since its release in 2008, [Google's] Chrome has become synonymous with the web: it's used by around 65 percent of everyone online and has a huge influence on how people experience the Internet. When Google launched its AMP publishing standard, websites jumped to implement it. Similar plans to replace third-party cookies in Chrome — a move that will impact millions of marketers and publishers — are shaped in Google's image.

"Chrome has won the desktop browser war," says one former Firefox staff member, who worked on browser development at Mozilla but does not want to be named, as they still work in the industry. Their hopes for a Firefox revival are not high. "It's not super reasonable for Firefox to expect to win back even any browser share at this point." Another former Mozilla employee, who also asked not to be named for fear of career repercussions, says: "They're just going to have to accept the reality that Firefox is not going to come back from the ashes...."

Mozilla's financial declarations from 2020 said that despite the layoffs it is in a healthy place, and it expects its financial results for 2021 to show revenue growth. However, Mozilla and Firefox acknowledge that for its long-term future it needs to diversify the ways it makes money. These efforts have ramped up since 2019. The company owns read-it-later service Pocket, which includes a paid premium subscription service. It has also launched two similar VPN-style products that people can subscribe to. And the company is pushing more into advertising as well, placing ads on new tabs that are opened in the Firefox browser.... Selena Deckelmann, senior vice president of Firefox, says Firefox is likely to continue looking for ways to keep personalizing people's online browsing. "I'm not sure that what's going to come out of that is going to be what people traditionally expect from a browser, but the intention will always be to put people first," she says. Just this week, Firefox announced a partnership with Disney — linked to a new Pixar film — that involves changing the color of the browser and ads to win subscriptions to Disney+. The deal speaks both to Firefox's personalization push and the strange roads its search for revenue streams can lead down.

Deckelmann adds that Firefox doesn't need to be as big as Chrome or Apple's Safari, the second largest browser, to succeed. "All we really want is to be a viable choice," Deckelmann says. "Because we think that this makes a better Internet for everybody to have these different options."
Interesting stats from the article:

• "Mozilla's own statistics show a drop of around 30 million monthly active users from the start of 2019 to the start of 2022."

• Mozilla's figures now also show around 215 million Firefox Desktop clients active in the past 28 days — a number which has stayed stable.

• Yet In 2008, a full 20% of the 1.5 billion people online were using Firefox to surf the web — including more than half the web surfers in Indonesia, Macedonia, and Slovenia.

• "Across all devices, the browser has slid to less than 4 percent of the market," writes Ars Technica. "On mobile it's a measly half a percent..."

• Next year, Firefox's "lucrative search deal with Google — responsible for the vast majority of its revenue" — is set to expire.

Linux programmers fixed bugs faster than anyone — in an average of just 25 days (improving from 32 days in 2019 to just 15 in 2021). That's the conclusion of Google's "Project Zero" security research team, which studied the speed of bug-fixing from January 2019 to December 2021.

ZDNet reports that Linux's competition "didn't do nearly as well." For instance, Apple, 69 days; Google, 44 days; and Mozilla, 46 days. Coming in at the bottom was Microsoft, 83 days, and Oracle, albeit with only a handful of security problems, with 109 days.

By Project Zero's count, others, which included primarily open-source organizations and companies such as Apache, Canonical, Github, and Kubernetes, came in with a respectable 44 days.

Generally, everyone's getting faster at fixing security bugs. In 2021, vendors took an average of 52 days to fix reported security vulnerabilities. Only three years ago the average was 80 days. In particular, the Project Zero crew noted that Microsoft, Apple, and Linux all significantly reduced their time to fix over the last two years.

As for mobile operating systems, Apple iOS with an average of 70 days is a nose better than Android with its 72 days. On the other hand, iOS had far more bugs, 72, than Android with its 10 problems.

Browsers problems are also being fixed at a faster pace. Chrome fixed its 40 problems with an average of just under 30 days. Mozilla Firefox, with a mere 8 security holes, patched them in an average of 37.8 days. Webkit, Apple's web browser engine, which is primarily used by Safari, has a much poorer track record. Webkit's programmers take an average of over 72 days to fix bugs.

A recent post on the AWS Open Source blog announced that AWS "is investing in the sustainability of Rust, a language we believe should be used to build sustainable and secure solutions."

It was written by the chair of the Rust foundation (and leader of AWS's Rust team) with a Principal Engineer at AWS, and reminds us that Rust "combines the performance and resource efficiency of systems programming languages like C with the memory safety of languages like Java."

But there's another reason they're promoting Rust: Worldwide, data centers consume about 200 terawatt hours per year. That's roughly 1% of all energy consumed on our planet... [C]loud and hyperscale data centers have been implementing huge energy efficiency improvements, and the migration to that cloud infrastructure has been keeping the total energy use of data centers in balance despite massive growth in storage and compute for more than a decade... [I]s the status quo good enough? Is keeping data center energy use to 1% of worldwide energy consumption adequate..? [Will] innovations in energy efficiency continue to keep pace with growth in storage and compute in the future? Given the explosion we know is coming in autonomous drones, delivery robots, and vehicles, and the incredible amount of data consumption, processing, and machine learning training and inference required to support those technologies, it seems unlikely that energy efficiency innovations will be able to keep pace with demand...

[J]ust like security, sustainability is a shared responsibility. AWS customers are responsible for energy efficient choices in storage policies, software design, and compute utilization, while AWS owns efficiencies in hardware, utilization features, and cooling systems.... In the same way that operational excellence, security, and reliability have been principles of traditional software design, sustainability must be a principle in modern software design. That's why AWS announced a sixth pillar for sustainability to the AWS Well-Architected Framework. What that looks like in practice is choices like relaxing service-level agreements for non-critical functions and prioritizing resource use efficiency. We can take advantage of virtualization and allow for longer device upgrade cycles. We can leverage caching and longer times-to-live whenever possible. We can classify our data and implement automated lifecycle policies that delete data as soon as possible. When we choose algorithms for cryptography and compression, we can include efficiency in our decision criteria.

Last, but not least, we can choose to implement our software in energy efficient programming languages.

There was a really interesting study a few years ago that looked at the correlation between energy consumption, performance, and memory use.... What the study did is implement 10 benchmark problems in 27 different programming languages and measure execution time, energy consumption, and peak memory use. C and Rust significantly outperformed other languages in energy efficiency. In fact, they were roughly 50% more efficient than Java and 98% more efficient than Python. It's not a surprise that C and Rust are more efficient than other languages. What is shocking is the magnitude of the difference. Broad adoption of C and Rust could reduce energy consumption of compute by 50% — even with a conservative estimate....

No one developer, service, or corporation can deliver substantial impact on sustainability. Adoption of Rust is like recycling; it only has impact if we all participate. To achieve broad adoption, we are going to have to grow the developer community.
That "interesting study" cited also found that both C and Rust execute faster than other programming languages, the blog post points out, so "when you choose to implement your software in Rust for the sustainability and security benefits, you also get the optimized performance of C."

And the post also notes Linus Torvalds' recent acknowledgement that while he really loves C, it can be like juggling chainsaws, with easily-overlooked and "not always logical" type interactions. (Torvalds then went on to call Rust "the first language I saw which looked like this might actually be a solution.")

The Rust Foundation is a non-profit partnership between Amazon Web Services (AWS), Google, Huawei, Microsoft, and Mozilla.

The Washington Post reports: Google announced it will begin the process of getting rid of long-standing ad trackers on its Android operating system, upending how advertising and data-collection work on phones and tablets used by more than 2.5 billion people around the world.

Right now, Google assigns special IDs to each Android device, allowing advertisers to build profiles of what people do on their phones and serve them highly targeted ads. Google will begin testing alternatives to those IDs this year and eventually remove them completely, the company said in a Wednesday blog post. Google said the changes will improve privacy for Android users, limiting the massive amounts of data that app developers collect from people using the platform.

But the move also could give Google even more power over digital advertising, and is likely to deepen concerns regulators have already expressed about the company's competitive practices... It made $61 billion in advertising revenue in the fourth quarter of 2021 alone....

The announcement comes over a year after Apple began blocking trackers on its own operating system, which runs on its iPhones, giving customers more tools to limit the data they share with app developers.... Google contrasted its plan with Apple's, saying it would make the changes over the next two years, working closely with app developers and the advertising industry to craft new ways of targeting ads and measuring their effectiveness before making any drastic changes.

"We realize that other platforms have taken a different approach to ads privacy, bluntly restricting existing technologies used by developers and advertisers," said Anthony Chavez, vice president of product management for Android security and privacy, in the blog post. "We believe that without first providing a privacy-preserving alternative path such approaches can be ineffective and lead to worse outcomes for user privacy and developer businesses."
The Post also includes this quote from the chief security office of Mozilla (which began restricting ad tracking in Firefox several years ago). "Google's two year plan is too long. People deserve better privacy now."

As both the Chrome and Firefox browsers approach their 100th versions, what should be a reason for the developers to celebrate could turn into a bit of a mess. From a report: It turns out that much like the Y2K bug, the triple-digit release numbers coded in the browsers' User-Agents (UAs) could cause issues with a small number of sites, Bleeping Computer reported. Mozilla launched an experiment last year to see if version number 100 would affect sites, and it just released a blogpost with the results. It did affect a small number of sites (some very big ones, though) that couldn't parse a user-agent string containing a three-digit number. Notable ones still affected included HBO Go, Bethesda and Yahoo, according to a tracking site. The bugs include "browser not supported" messages, site rendering issues, parsing failures, 403 errors and so on.

"The OS/2 community is getting close to obtaining a modern browser on their platform," writes Slashdot reader martiniturbide. In an announcement article on Monday, president of the OS/2 Voice community, Roderick Klein, revealed that a public beta of the new Chromium-based Otter Browser will arrive "in the last week of February or the first week of March." XDA Developers reports: OS/2 was the operating system developed jointly by IBM and Microsoft in the late 1980s and early 1990s, with the intended goal of replacing all DOS and Windows-based systems. However, Microsoft decided to focus on Windows after the immense popularity of Windows 3.0 and 3.1, leaving IBM to continue development on its own. IBM eventually stopped working on OS/2 in 2001, but two other companies licensed the operating system to continue where IBM left off -- first eComStation, and more recently, ArcaOS.

BitWise Works GmbH and the Dutch OS/2 Voice foundation started work on Otter Browser in 2017, as it was becoming increasingly difficult to keep an updated version of Firefox available on OS/2 and ArcaOS. Firefox 49 ESR from 2016 is the latest version available, because that's around the time Mozilla started rewriting significant parts of Firefox with Rust code, and there's no Rust compiler for OS/2. Since then, the main focus has been porting Qt 5.0 to OS/2, which includes the QtWebEngine (based on Chromium). This effort also has the side effect of making more cross-platform ports possible in the future.

Mozilla engineer Martin Thomson reveals they've been collaborating with Meta (formerly Facebook) on new technology that can measure "conversions" from advertising while still preserving privacy.

The proposed new technology is called Interoperable Private Attribution, or IPA. IPA has two key privacy-preserving features. First, it uses Multi-Party Computation (MPC) to avoid allowing any single entity — websites, browser makers, or advertisers — to learn about user behavior. Mozilla has some experience with MPC systems as we've deployed Prio for privacy-preserving telemetry. Second, it is an aggregated system, which means that it produces results that cannot be linked to individual users. Together these features mean that IPA cannot be used to track or profile users.

IPA is designed to provide a lot of flexibility for advertising businesses in terms of how they use the system. Cross-device and cross-browser attribution options in IPA enable new and more robust attribution capabilities, while maintaining privacy. The IPA proposal aims to ensure that all sites benefit from these features with the match key concept, which allows smaller players to access the greater reach of entities to cross-device attribution.
"Advertising provides critical support for the Web," the blog post argues — and they've now proposed IPA to the World Wide Web Consortium's dedicated Private Advertising Technology Community Group, while calling their idea "still a work in progress."

A top VR web browser is closing down. Today, Mozilla announced it's shutting down its Firefox Reality browser -- the four-year-old browser built for use in virtual reality environments. The technology had allowed users to access the web from within their VR headset, doing things like visiting URLs, performing searches, and browsing both the 2D and 3D internet using your VR hand controllers, instead of a mouse. From a report: Firefox Reality first launched in fall 2018 and has been available on Viveport, Oculus, Pico, and Hololens platforms through their various app stores. While capable of surfing the 2D web, the expectation was that users would largely use the new technology to browse and interact with the web's 3D content, like 360-degree panoramic images and videos, 3D models, and WebVR games, for example. But in an announcement published today, Mozilla says the browser will be removed from the stores where it's been available for download in the "coming weeks." Mozilla is instead directing users who still want to utilize a web browser in VR to Igalia's upcoming open-source browser, Wolvic, which is based on Firefox Reality's source code. This browser will be available for download starting next week, so users won't have to go without -- they'll just have to make the switch.

An anonymous reader writes: Ransomware is driving developer interest in cybersecurity while the Internet of Things and games development has spurred more interest in 35-year-old programming language C++, according to O'Reilly Media's 2021 learning platform analysis. However, it could the case that developers are looking at some newer languages to give them the edge. O'Reilly, a developer-focused education content provider, creates an analysis of search terms and content modules consumed on its learning platform each year to reveal developer trends. Content usage is an aggregate measurement of "units viewed" across all forms, including online-training courses, books, videos, online conferences, and other products.

The topic of cybersecurity has grown significantly on the platform, likely as a result of the high-profile ransomware attack on Colonial Pipeline, and software supply chain attacks on customers of SolarWinds and IT management firm Kaseya. Content usage on ransomware grew 270% over the past year, according to O'Reilly, while privacy grew 90%, identity was up 50%, and application security was up 45%. Developers building Internet of Things products and games are boosting interest in the C++ programming language. Software quality firm Tiobe has also noted a recent surge in interest in C++. While interest in C++ did see a noteworthy rise, Python and Java still dominate O'Reilly's platform usage. O'Reilly says it has seen usage of content about Mozilla-hatched Rust and Google-backed Go "growing rapidly." Both are popular for systems and infrastructure programming. Rust in particular is being used in place of C++ to help avoid memory-related security issues. It's being used at Microsoft, AWS and Google, and has been positioned as the second official language for the Linux kernel.

Mozilla is rolling out new updates to its mobile and desktop VPN offerings, the company announced on Tuesday. From a report: With the launch of Mozilla VPN 2.7, the company is bringing one of Firefox's popular add-ons, Multi-Account Containers, to the desktop platform and also introducing a multi-hop feature to the Android and iOS version of the VPN service. Firefox's Multi-Account Containers allow users to separate different parts of their online activities, such as work, shopping and banking. Instead of having to open a new window or different browser to check your work email, you can isolate that activity in a container tab, which prevents other sites from tracking your activity across the web. The company says combining the add-on with Mozilla's VPN adds an extra layer of protection to users' compartmentalized browsing activity and also adds extra protection to their locational information.

New submitter Ol Olsoc writes: "When the Mozilla Foundation took to Twitter on New Year's Eve to announce it was going to begin accepting cryptocurrency donations, it likely didn't think about potential blowback from one of its founders, but that's what it got," reports TechRepublic. "In response, Mozilla has said it's pausing cryptocurrency donations." Wikipedia is now discussing whether it should stop accepting Cryptocurrency as well.

Mozilla co-founder Jamie Zawinski has some strong feelings about the matter, [telling TechRepublic]: "Anyone involved in cryptocurrencies in any way is either a grifter or a mark. It is 100% a con. There is no legitimacy." I cannot disagree with him. Zawinksi tweeted scathing criticism of a Mozilla tweet late last month promoting cryptocurrency donations. They first started accepting bitcoin for donations in 2014.

Here's where Wikipedia comes in: "Shortly after Zawinski's tweet and Mozilla's change of heart, Wikipedia editor GorillaWarfare opened a request for comment on Wikimedia's meta-wiki calling for the organization to stop accepting cryptocurrency donations, citing Zawinski's tweet and Mozilla's reaction," reports TechRepublic. "Zawinski has read the Wikipedia talk page about the discussion and says he hopes it indicates the beginning of a trend."

He added: "I'm actually a bit surprised (and pleased) to see that the conversation seemed to be going in an anti-cryptocurrency direction. Good for them."

Further reading: Wikipedia Faces Pressure to Stop Accepting Crypto Donations on Environmental Grounds (CoinDesk)

Wikimedia, the non-profit foundation that runs Wikipedia, is facing internal opposition to its policy of accepting cryptocurrency as a form of donation, primarily for environmental reasons. From a report: A proposal to the foundation from contributor Molly White, who goes by the user name GorillaWarfare, argues that accepting donations in cryptocurrencies such as bitcoin, bitcoin cash and ether signals endorsement of digital coins, which are "inherently predatory" as investments and don't align with the foundation's commitment to environmental sustainability. The contributor argues that Wikipedia risks damaging its reputation by accepting crypto donations, citing the recent decision by non-profit peer, Mozilla, to pause accepting donations in crypto. Wikimedia currently accepts bitcoin, bitcoin cash, and ether via BitPay. White singled out bitcoin and ether's need for enormous amounts of energy, while noting that there are other "eco-friendlier" cryptocurrencies, although they are less widely-used.

An anonymous reader quotes a report from Gizmodo: Researchers at Mozilla announced this week the launch of its "Facebook Pixel Hunt" study, which seeks to track the company's immense web-wide tracking network and investigate the intel it's collecting on users. As the name suggests, this study is focused on a piece of tracking tech known as the "Facebook pixel." Chances are, you've visited a site that uses it; these tiny pieces of tech are buried in literally millions of sites across the web, from online stores to news outlets to... well, you name it. In exchange for onboarding a free pixel on their site, these sites can then track their own visitors and microtarget ads with the same sort of precision you'd expect from a data-hungry company like Facebook.

In exchange for giving these sites the power to track every pageview, purchase, search query, and much, much more, Facebook (naturally) requires that this data be shared with it, too. In cases where the website visitor has an account on some Facebook platform, this offsite data just gets glombed onto whatever Facebook already knows about that person. If they don't have a Facebook account, then the company collects that data anyway, and uses it to create a "shadow profile" of that particular person. These are the sorts of shadowy practices that Mozilla's team wants to research with this study -- and you can help them do it if you're a Firefox user. Mozilla teamed up with reporters from the Markup to gather details about Facebook tracking using a free-to-download browser extension, Mozilla Rally, that will hoover up data sent out by Facebook's pixels as you browse across the web. Aside from that data, the extension also keeps track of the time spent on different web pages, the URLs that the browser visits, and more. Mozilla was quick to note in its announcement that the only data being exported from the extension will be de-identified, and not shared with any third parties besides the Markup's reporters.