It is one of the most watched events for consumer electronics, and the CES 2011 in Las Vegas received a big response this year. There were distinct trends at the show. 3D for home and tablet computers stood out.
In a span of seven years, Apple’s landmark iPhone has revolutionised the smartphone market. With competitors vying to match the sheer technical prowess of the phone, the iPhone is continuing to rule the roost. Here's a look at the evolution of the iPhone