Top 10 tech products of 2012 [Pictures]

Since Apple's iPad first arrived in 2010, the product line has defined what a modern tablet should be -- a full multi-touch display up front, speedy performance, tablet-specific apps and video, music and games just a tap (and a credit card purchase) away. The third generation (and later the fourth generation) topped the previous two with better specs all around, including a new retina display. Full review »