This is probably one of the funnest movie marketing campaigns I've seen. It's one of those things I wish would have happened to me. Skyfall and Coke Zero teamed up to challenge unsuspecting train passengers for a chance to win exclusive tickets to Skyfall.
To win the tickets people were sent on a little mission that they had to complete in 70 seconds. Here's a video featuring several of these people trying to pull off their best 007 moves in attempt to win their tickets.