Apple just posted the long-awaited trailer for James Cameron’s upcoming sci-fi flick Avatar. Note: There’s so much buzz surrounding the revolutionary technology used to make this movie — which was conceived by the filmmaker 14 years ago — that free tickets to a 16-minute special preview on August 21st sold out instantly and crashed the website. Watch the trailer here and let us know if you think that the quest to bring civilization to the planet Pandora lives up to the crazy hype (and even crazier budgets). Word is, this could change the way we watch movies forever. The film opens December 18.