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Clip showed internet ‘prankster’ leap past a moving train

Anonymous chat app for teens has only been on the App Store since August

Phone numbers and email addresses are stolen by online criminals

The singer's 'Botticelli-inspired' Instagram shot of her newborns garners 5m likes in 5 hours

Photo-sharing app considered to have a negative impact on body image and sleep pattern

Richard Prince attacked for selling Instagram users' images for $90,000, but it's not against the law

Social bonding or rampant narcissism? Academics argue over the cultural significance of 'usies'

New messaging service from the makers of Instagram is trying to muscle in on a crowded market

Another old photo causes outrage on social media – so how reliable are the #GazaUnderAttack images?

Instagram has strict rules on nudity – but not all social media sites are so puritanical

Ten great images as Nasa blasts past one million followers

Tech community divided by Facebook's purchase of much-hyped virtual reality firm Oculus VR

New smartphone app uses FourSquare and Instagram to help people steer clear of unwanted interactions