Google Conquers Radio

In its ongoing quest to conquer the world, Google announced yesterday that it would spend up to $1.2 bn to buy a radio advertising sales unit (the final price will depend on particular performance benchmarks).  The company in question, dMarc Broadcasting, has software that allows marketers to send advertisements directly to radio, by-passing a lot of the manual processing that is involved in radio today.  Google has yet to announce how it will use the ad space - how and if it apply its famous algorithms.  Is this just the beginning of a world full of targeted ads?  After all, Google has talked about radio and television advertising before.  Others have toyed with the notion of GPS-enabled cell phones displaying location-specific targeted ads such as the show times of a 007 movie as an action movie buff walks by a local movie theater.  We are not so far from the advertising world portrayed in Minority Report after all...