A system called EyeDrop uses a head-mounted eye tracker that simultaneously records your field of view so it knows where you are looking on the screen. Gazing at an object - a photo, say - and then pressing a key, selects that object. It can then be moved from the screen to a tablet or smartphone just by glancing at the second device, as long as the two are connected wirelessly.

By connecting laptops and smartphones to enormous, remote computing banks, cloud computing gives us access to more processing power than could ever fit in any one of those devices, along with access to all our data and documents from anywhere in the world.

SAN FRANCISCO - New York State's top prosecutor is investigating why American cellphone carriers have yet to embrace antitheft software on Samsung smartphones, raising questions about possible coordination among the biggest carriers.

It suggests how dependent on technology universities have become in their attempts to stop students copying work from the internet

The latest Snowden leak suggests US and UK cyberspies are taking advantage of Google's proprietary cookie technology in an effort to track suspects.