San Francisco office blocks have started a new social media trend – post-it note messages on windows
Twitter users react negatively to the micro blogging service's new profile pages - which look a lot like Facebook.
Psychologists reveal why Tinder, Grindr and other mobile dating apps are booming.
Ten animals whose Instagram feeds have gone viral.
An elaborate April Fools' joke perpetrated by Anonymous and Deadmau5, has been branded "lame and irresponsible".
Turkish Prime Minister hails a decisive win for his party in local elections
Andy Murray's mother Judy serves Yoko Ono several doses of sarcastic repartee on Twitter.
A supposedly wealthy teenager posts photos of his cash and designer possessions.
Kate Bush tickets may have sold out, but you can still get them if you're willing to pay at least £495
A compilation of the best tweets that could have been...
Leaked Erdogan call shows Turkish officials wanted to attack Syria by faking missile attack on Turkey.
MyApollo, the world's first private social network, hopes to tempt security-conscious users away from Facebook.
Turkish citizens bypass Twitter censorship with dark web browser Tor.
Oculus Rift scrapped Minecraft plans after Facebook acquisition.
While families grieve and governments argue over missing airliner, spotlight turns on good looks of search pilot
We look back at some of Twitter's photographic milestones.
Twitter is celebrating turning eight by giving people the ability to view the first tweets of all users.
Social media giant is a key component of the digital age, breaking news stories and making history
Tango co-founder Eric Setton believes his firm can eventually beat Facebook's WhatsApp.
Yik Yak founders defend app - was supposed to provide people with local real-time information.
A security flaw has caused nearly 100,000 protected Twitter accounts to be viewed by non-approved followers since November 2013.
Anonymous chatroom app Yik Yak has been banned in multiple US high schools for threats and cyberbullying.
Illegal online trade in vital organs reaches Facebook
Facebook and WhatsApp have been hauled up before the FTC on privacy concerns
Privacy advocates concerned about how Facebook will use 450 million WhatsApp users' personal data.
Georgia Tech researchers find users exposed to prolonged violence become desensitised on social media.
Users of Yahoo Services will all need to have Yahoo IDs to login
Facebook reportedly considering $60m purchase of US drone maker Titan Aerospace.
Oscars host Ellen DeGeneres managed to break Twitter with a celebrity selfie. We approve
Daughter's social media bragging broke confidentiality clause imposed on father's $80,000 settlement.