Local businesses inside of Google Maps, is honestly the best thing for maps since sliced bread. Not entirely how great the reception is going to be in more rural areas.
But those areas that we see in more metro areas, plus the bonus of street view..the small businesses able to participate are likely going to reap some great rewards.
The linked article hits the nail on the head with the idea that Google opting to “own” local search. Should be interesting to see how far they can take it.