Reading support:
The graph depicts the penetration rate of tablet PCs and eReaders in 2010 and forecasted rates for 2012 based on survey results in selected countries. In 2010, the penetration rate was at three percent in South Korea. Global tablet sales are currently growing at high rate: in the second quarter of 2011, 13.6 million units were shipped, up from 3.3 million in the same period of the previous year. Market research firm Gartner expects the growth to continue in the next few years: a recent forecast of tablet sales predicts that 326 million units will be sold in 2015, compared to less than 20 million units in 2010.