The current smartphone market consists of 6 major platforms: Palm OS, Symbian, Windows Mobile, Blackberry, Android, and Mac OSX/iPhone. 2009 is going to see a 7th platform since Palm is finally going to release a new operating system called WebOS, but details are still sparse and unconfirmed for the most part about the Palm Pre and WebOS.
As a mobile device enthusiast and new developer, this is a very good time to get into the mobile programming world, but how do you choose which platform to use? One way is to look at sales numbers and other trends that may relate to those numbers.