> So if the web app went a month with no visitors it would cost nothing (except for the file storage fees)? Yes that's the idea. The public URL for a sprite is

> So if the web app went a month with no visitors it would cost nothing (except for the file storage fees)? Yes that's the idea. The public URL for a sprite is served by a (free) load balancer. The sprite is normally suspended, gets resumed when a request comes in, then suspended again. Not sure on the exact timeouts, they probably don't suspend immediately after a response is sent.