Google announces the surprise sale of its Motorola Mobility unit, which it bought in 2012, to Chinese computer maker Lenovo for $2.91bn.

Creators of mobile phone apps that sell in-app purchases are being given two months to comply with new guidelines issued by the Office of Fair Trading.

Social networking giant Facebook reports profits of $523m and a 63% increase in revenue for the fourth quarter, beating expectations.

A video blogger who was stopped by a stranger from jumping into the River Thames in 2008 manages to track down his Good Samaritan.

As well as live coverage online outside the UK, music fans will be able to vote for best British video during the Brit Awards using Twitter.

The artist will not pursue legal action against fans accused of posting bootleg footage on blogs and Facebook.

Sony launches a slimmer version of the PS Vita in the UK and promotes a range of child-targeted titles to help it compete against Nintendo's 3DS.

Nintendo boss says its games will not appear on smartphones as the company's focus remains on a combined hardware and software platform.