Shares surge on back of huge jump in advertising revenue in core business
Use of offshore tax haven seen as partly to blame for very low rate on non-US profits
Cringeworthy status updates, ill-advised photos and disastrous hashtags
Mark Zuckerberg to donate 99 per cent of shares to good causes after birth of baby girl
New option allows people to see less of a former partner online, without having to sever all links
Photos posted by parents account for over half of content found on child abuse websites
Social network hit by an unprecedented three outages in less than two weeks
Mark Zuckerberg says site is 'very close' to implementing new 'empathy' feature
Once the hot start-up, is it now the next MySpace? On Twitter's ninth anniversary, many analysts are questioning its future
Police confirm the cause of 13-year-old's death was hanging and it is not being treated as suspicious
Social network rolls out 'legacy contacts' to allow people to pass on their Facebook page after they die
Lutz Bachmann, leader of the German far-right organisation, dismissed the photo as 'just a joke'
Torben Aakjaer made anti-immigration comments on the social media site, prompting internal United inquiry
Human rights groups say Soheil Arabi's execution is 'imminent' and appeals to a Tehran court for amnesty
MPs criticise 'legalese' terms and conditions and say social media companies should reform how they collect and use data
Founder of Facebook apologises to audience for his 'terrible Chinese' before holding full Q&A in Mandarin
Fast-growing new site Ello promises 'beauty, simplicity and transparency' – and no advertising
Your privacy is 'guaranteed' – but would you pay $9000 to talk to people about fine wines and classic cars?
From Facebook to the FBI, facial recognition software is everywhere – but is it a 'critical threat' to our privacy?
Social bonding or rampant narcissism? Academics argue over the cultural significance of 'usies'