That site is now down. The youtube links have also been yanked by Paramount.
Wikipedia has some info:
excerpt
J. J. Abrams conceived of a new monster after he and his son visited a toy store in
Japan. He explained, "We saw all these
Godzilla toys, and I thought, we need our own monster, and not
King Kong, King Kong's adorable. I wanted something that was just insane and intense."
[8] In February 2007,
Paramount Pictures secretly
greenlit Cloverfield, to be produced by
J. J. Abrams, directed by
Matt Reeves, and written by
Drew Goddard. The project is under production by Abrams' company,
Bad Robot Productions.
[9]
____
Marketing
The studio kept knowledge of the project secret from the online community, a cited rarity due to the presence of
scoopers that follow upcoming films. The controlled release of information on the film has been observed as a risky strategy, which could succeed like
The Blair Witch Project (1999) or disappoint like
Snakes on a Plane (2006), the latter of which had generated online hype but failed to attract large audiences. Chad Hartigan of Exhibitor Relations Co. viewed the several issues with the potential of the film, including a lack of major stars, the underwhelming performance of Godzilla-style films in America,
and the film's slated release in January, considered a "dumping ground for bad films".[13] As
Transformers showed high tracking numbers before its release in July 2007, Paramount attached a teaser trailer for
Cloverfield, which did not reveal the name of the film, but showed the release date.
[9] A second trailer was released on
November 16,
2007, which confirmed the title.
[14