The photos which Google (or much more likely, Facebook and Twitter) have often contain embedded geolocation data which gives the police a better idea of where t

The photos which Google (or much more likely, Facebook and Twitter) have often contain embedded geolocation data which gives the police a better idea of where to start looking for the person. Of course, this is a lot more work than posting up the equivalent of virtual wanted posters and having people give information which is more likely to be recent than pictures collected by social networks.