Haffner writes "Protests in Cairo, Egypt have now reached the tens of thousands. Police have deployed water cannons and tear gas. I am writing this live from Cairo, where I witnessed a throng of 1000-3000 march towards Tahrir Square in downtown Cairo. I also witnessed 300-500 protesting on one of the bridges heading downtown. Most importantly, twitter has been blocked by many national carriers."
As reader pinkushun writes "Using Twitter and Facebook, the people instigated a series of fast-moving, rapidly shifting demos across half a dozen or more Egyptian cities. The police could not keep up – and predictably, resorted to violence. Sadly this has led to three known deaths
Update: 01/26 02:05 GMT
: Jake Appelbaum is tweeting up a storm about the state of the active filters