Which is the way it is right now. But isn't it much more compelling for Facebook to have a development platform which they control and can make as uniform as p

Which is the way it is right now. But isn't it much more compelling for Facebook to have a development platform which they control and can make as uniform as possible? Big companies tend to want to control the core technology behind their businesses. A quick and recent example: you can no longer play FarmVille out of the box on a new Macbook Air.