Sources: Google, iTunes
quote: Don't forget that the primary idea of creating Android with Google Maps was to sell advertising. If Google can accomplish the same thing on iPhones then so much the better.
quote: Over half of Google's revenue from mobile services (advertising, search, maps) comes from iOS, despite there being more Android devices out there.
quote: Google Apps product management director Clay Bavor said that "we have no plans to build out Windows apps." Bavor had some harsh words about the installed base for Windows on both the PC and on mobile, saying "we are very careful about where we invest and will go where the users are but they are not on Windows Phone or Windows 8."