Three-quarters of mobile phone subscribers are wasting an average of nearly £200 a year because they are on the wrong contract, research suggests.

The US Navy has fired a laser gun from one of its ships for the first time. The weapon was used to disable a small boat.

Intel has launched its Oak Trail processor for tablet computers. The market is dominated by its rivals Apple and Arm.

A US appeals court rules that two men who say the concept for Facebook was stolen from them cannot back out of a settlement deal signed with the website.