After another night of looting in London, a Twitter campaigner has mobilised volunteers for the clean up

Google+ has been updated with more Huddle messaging controls and support for Apple iPad and iPod Touch

At Black Hat, a researcher showed how facial-recognition could link passers-by to Facebook profiles

Facebook spammer Sanford Wallace has turned himself in to the FBI after a July indictment in the US

Google+'s real-name policy is an abuse of power and harms privacy, according to Microsoft researcher Dana Boyd

Social networks are making it increasingly easy for scammers to research a detailed profile of their targets

The mobile and social networking giants have teamed up to produce a Facebook-dedicated, pre-pay handset

Google+ has overtaken Facebook, but LinkedIn still rules business social circles. Next: What's your top IT issue?

Will the changes to Google's name management policy satisfy users, while letting the company deliver targeted ads, asks Clint Boulton