B ack in July 2005, when Google seemed to have so much money it don't know what to do with, it quietly went about buying up a load of start-up companies. Some of these never really saw the light of day: for instance, Dodgeball , a service that allowed you to text a group of friends in a similar way to Twitter, has never really appeared anywhere in Google's stable. But at the same time, it also bought a little-known company called Android Inc , co-founded by Andy Rubin, now director of mobile platforms at Google. Little was known about this company even within its own industry: in fact, all that was available in terms of description was it was 'it developed software for mobile phones.' In 2003, before getting involved with Android, Rubin conducted an interview with Business Week : "Rubin said there was tremendous potential in developing smarter mobile devices that are more aware of its owner's location and...