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?
Ninja stars, bear spray and iPhone knives – just some of the oddities on the TSA's Instagram account
Instagram has strict rules on nudity – but not all social media sites are so puritanical
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
The launch of the new 15-second video comes as Vine, the video feature Twitter bought last October, soars to reach 13m users