Longest Facebook blackout 'in recent history' sends users flooding onto Twitter
Instagram has strict rules on nudity – but not all social media sites are so puritanical
QPR footballer Joey Barton apologises on Twitter for describing Ukip as the best of 'four really ugly girls'
Western observers say crackdown on obscene material masks broader online repression
Turkey's attempt to stop people using video-sharing website YouTube are doomed to fail, analysts say
As Facebook celebrates its tenth birthday, questions are being asked: will it continue to soar – or fall by the wayside?
The laws surrounding online assets are 'very grey', but growing number of lawsuits is set to change that
The worst mistakes committed by companies, celebs and politicians and what we learnt from them
New social media guidelines urge freedom of speech, but damaging 'trolls' may still end up in court
'Slacktivists' under fire in ad campaign that demands donations, not social media support