Microsoft has unveiled Surface, a tablet computer to compete with Apple's iPad. CEO Steve Ballmer announced the new tablet, calling it part of a "whole new family of devices" the company is developing. Video courtesy: NDTV

After lots of speculation, the tech giant introduces the iPad 'you can hold in one hand' weighing only 0.68 pounds.Apple gave fans the mini-moment they had been waiting for when it unveiled a smaller iPad to the world during a presentation at the California Theatre, but the company surprised the tech community by also updating the standard iPad with a fourth-generation iteration just seven months after its last update. Video courtesy: NDTV