With the exploding popularity of Apple's iPad and Samsung's Galaxy Tab, the global tablet PC market is expected to grow to 760 million users by 2016.

Technology and market research firm Forrester Research reported that more than 56 million tablet PCs were sold worldwide last year. It forecast that annual sales will continue to rise to 375 million in 2016. with the number of consumers owning tablet PCs that year expected to hit 760 million.

Within five years, 30 percent of the tablets will be sold to businesses, it said, going on to predict that emerging markets will account for 40 percent of all sales.