It's not exactly a good day for Windows 10 Mobile, formerly Windows Phone. Not that it had that much good days anyway. Microsoft's mobile platform has very few staunch allies left, but you can definitely count some of the company's most public faces out. Former CEO Bill Gates just publicly admitted that he is currently using a still unidentified Android phone. Meanwhile, current CEO Satya Nadella, for the first time, confirmed that he indeed voted against Ballmer's unpopular, and ultimately doomed, move to acquire Nokia.