I think the barrier to this sort of behavior being more common in the masses is that it's difficult to make these sort of connections.
If Google is basically able to say hey - your neighbor down the block drives to within a 5 minute walk of your office, then this could be a really useful tool for this sort of networking.
If Google is basically able to say hey - your neighbor down the block drives to within a 5 minute walk of your office, then this could be a really useful tool for this sort of networking.