The latest Q3 IDC/Appcelerator survey of developer interest in various mobile operating systems. I used last year’s version of this data a year ago, in part, when I began my RIMM short.
Follow the bouncing devs to know which mobile platforms are likely to do well.
Related posts:
The insiders do know best.
Ha ha to Windows Phone 7 (that's what Steve Ballmer gets for being such an ass when he originally scoffed when the iPhone was introduced).