Cloverfield

Here's the trailer for the new secret J.J. Abrams movie codenamed "Cloverfield."

Better quality version at Apple Trailer
Official website 1-18-08
Another website Slusho was also revealed as being officially connected to the film, although its significance remains cryptic.

The websites ethanhaaswasright and ethanhaaswaswrong, long thought to be connected to the film as well, were debunked as viral promotions for a game called Alpha Omega and have nothing to do with the film according to Abrams.