Apple Keeps Lead, but Android to Grab 39% of Tablet Sales in 2015

Gartner said it expects 70 million media tablets to be sold this year and 108 million in 2012, compared with 17.6 million in 2010. Apple's share of the market will gradually decline to 47 percent in 2015 from 69 percent this year, while Google's share will rise to 39 percent from 20 percent now. 

Apple to stay ahead in tablet boom: Gartner | Reuters