How Patent Battles Threaten the Simple Act of Unlocking a Phone

Unlocking a smartphone is perhaps its most basic function. It's a no-frills feature, but an important one. And yet over the past six months, the simple act of unlocking a phone has grown absurdly controversial.

Source: http://www.wired.com/gadgetlab/2012/02/smartphone-slide-to-unlock-google/

NATIONAL SEMICONDUCTOR NATIONAL INSTRUMENTS MOTOROLA MOODYS MISCROSOFT OFFICE