And they already have relevant patents, in a different arena: http://www.readwriteweb.com/archives/google_could_soon_augment_old_billboards_in_street.php http:/

And they already have relevant patents, in a different arena: http://www.readwriteweb.com/archives/google_could_soon_augment_old_billboards_in_street.php http://www.readwriteweb.com/archives/google_could_soon_augme...