many different people, collaborate together online to protest against all sorts of different reasons, and also to harass people sometimes for fun. it comes from a culture, image boards and discussion boards online, and some people see it as a start of a new way of protesting online. >> how did it begin? >> so, anonymous emerged from something called image portrait. these are discussion boards on websites. and one particular which in 2004, run 2004, 2005 the website became very popular and the greater of the website in force all of its users to be anonymous when they posted comments. a lot of these didn't like it personal with the realize overtime was that when they were stripped of ego and identity and age and gender and all sorts of identified features gratis almost more mysterious powerful collective identity that they could be part of. over the years, they used that