No one knows Anonymous like Gabriella Coleman. The internet's most notorious hacktivist collective have been in the journalist's sights since rising to prominence in 2008. From Scientology to the Arab Spring and from lolcats to LulzSec – Coleman has seen and documented it all, gaining unprecedented access to first-hand sources every step of the way. The Anonymous expert will be conversing with Channel 4 News economics editor Paul Mason as the pair shed light on one of the most shadowy groups on the internet.