Compare these: A touch-screen keyboard described in an Apple patent and Microsoft's Origami keypad.
http://news.com.com/2300-1005_3-6063384-1.html?part=rss&tag=6063384&subj=news
http://news.com.com/2300-1005_3-6063384-1.html?part=rss&tag=6063384&subj=news