The first tablet was released in 1980 and it was called the Gridpad, Microsoft had a tablet in 2002 yet apple makes billions on the ipad launched in 2010. Why is this?
http://blog.guifx.com/images/100128_touchscreens/1989-GRiD-GRIDPAD.jpg
Added (1). Why have people suddenly decided to buy them now? Why didn't they buy them before?
См. статью: How has apple sold over a million ipads when tablets been around for ages?