Fighting Reality, Microsoft Will Keep Charging for Windows Mobile One of the reasons you're going to see Android on a ton of phones —aside from Google's juggernautical influence—isn't because of its ass-beating potential , but because hardware makers don't have to pay anything for it. They do have to pay for Windows Mobile, the other major free-floating smartphone OS, on the other hand, and Steve Ballmer is saying it's going to stay that way, even as RIM's BlackBerry passes it in marketshare . Of course, by the time Windows Mobile 7 finally, finally enters a much more hostile mobile world, he could be singing something way different. [Reuters ]