For a .net developer, what\'s the learning curve to get into mobile development?
How many different operating systems are there that run .net?
Is windows mobile
I think a background in .NET development definitely helps. There are some differences between the two platforms, the biggest being that the Compact Framework only provides a subset of the .NET Framework. This can prove difficult when transitioning from the desktop environment when some functionality your familiar with isn't implemented on the CF.
A few other things to be aware of when developing for Windows Mobile devices: