Microsoft has been granted a U.S. patent on using short, long or double clicks on the same button to launch different applications—though only on "limited resource computing devices" such as PDAs or mobile phones.

http://www.eweek.com/article2/0,1759,1607292,00.asp?kc=EWRSS03119TX1K0000594

instead of building better products, they're just pantenting anything someone else might use to build better products