If a documentary sends you into the light of the lobby wondering about the truthfulness of what you just saw, usually that's a failure on the doc's part. In the case of Banksy's Exit Through the Gift Shop, it's the point. Much like Orson Welles' F for Fake, Exit Through the Gift Shop is a cheeky study of value and perspective.
Great insider stories about street art eventually give way to a narrative about the artist known as Mr. Brainwash, who may or may not be a phony. Who's the sucker? Is it you? —RS