An anonymous reader writes with this excerpt from Techdirt: A few years ago, we mocked then Senator Joe Lieberman's request that internet companies put "report this content as terrorist content" buttons on various types of online content. The plan went nowhere, because it's a really bad idea, prone to massive abuse. Yet, over in the UK, some apparently think it's such a grand idea that they're actually moving forward with it. This isn't a huge surprise — the current UK government has been going on for quite some time about banning "extremist" content, and just recently ramped up such efforts. And now it appears that a bunch of big UK broadband access providers have agreed to play along: The UK's major Internet service providers – BT, Virgin, Sky and Talk Talk – have this week committed to host a public reporting button for terrorist material online, similar to the reporting button which allows the public to report child sexual exploitation. They have also agreed to ensure that terrorist and extremist material is captured by their filters to prevent children and young people coming across radicalising material.