great - subviral marketing.

sounds like fun.

MediaGuardian.co.uk | Media | Fwd: Have you seen this? Ping! A friend emails you a video clip parodying a well known advert. You watch, chuckle, and forward it on, presuming it to be the handiwork of some mischievous subversive. In fact, there's a good chance the spoof was made by the very brand it appears to bash.