This is a very cool service, I've been signed up for a while now. It does have a small usability problem, perhaps because of the balance of "volunteers" and pe

This is a very cool service, I've been signed up for a while now. It does have a small usability problem, perhaps because of the balance of "volunteers" and people it is serving. You get a number of incomplete calls or unclear notifications, and because it doesn't happen often it's hard to remember how it should be responding.