Google and Apple have always taken a different approach to developing their Operating System (OS). Apple's iOS is often seen as a wall gardened; it's an OS built for one thing and one thing only: the iPhone.Unlike Apple, Google built an OS that anyone could use; in fact, Google didn't even have a phone when it released the Android OS in 2007. Its flagship phone was called the HTC Dream, and it was built, as the name suggests, by HTC.Google was never...