Microsoft and BlackBerry face a a paradox. They can't really attract developers in large numbers away from iOS and Android without a critical mass of phones -- and phone buyers tend to stay away from phones without a vibrant app store. It's a stalemate that's going to be tough to break.
Read my full post on the Ness Software Engineering Services blog.
Graphic Credit: Tsahi Levent-Levi on Flickr. Used under Creative Commons SA license.