Facebook

Facebook faces criticism for failing to act over an online chat in which one of Lee Rigby’s murderers discussed “killing a soldier” – but it is hardly the only route terrorists use to communicate.

Introduced after the Google, Facebook and Starbucks tax scandals, new tax rules are doing very little to curb similar legal tax avoidance, it is claimed. Is public disquiet having more influence?

Blogger Jamie Bartlett says people should be allowed to upset and offend people online but Labour MP Stella Creasy argues that “it’s not free speech if one side of the conversation lives in fear.”

More than a third of young people aged between 13-25 have sent naked pictures of themselves – and one in four of them have then had their images sent on without their consent, a report finds.

George W Bush has done it, but Barack Obama won’t budge. David Cameron has just been nominated to get soaked in ice-cold water too – so who’ll be first to step up to the bucket?

The Islamic State of Iraq and al-Sham (Isis) is not just battling its way into the cities of Iraq it is also fighting for global support and action via a major social media campaign.

Facebook’s phone app will soon be able to listen in to your music and TV shows – and identify them, in a new Shazam-like feature aimed at hoovering up even more of your personal data.

It is not just protest groups using social media nowadays: governments are getting in on the act – and in unstable eastern Ukraine, Facebook has become a tool of conflict.

A “battle against feminism”? Campaigners tell Channel 4 News about the counter-attack to the controversial Facebook group.