Producer Ridley Scott and director Kevin Macdonald are joining forces with YouTube to create what is being dubbed "the first user-generated feature-length documentary."

Titled "Life in a Day," the doc will incorporate footage shot on July 24 that is submitted by YouTube users from around the world. It will have its world premiere at the 2011 Sundance Film Festival.

Macdonald, whose features include "State of Play" and "The Last King of Scotland," will direct, compiling the best footage into the final film, which will be exec produced by Scott and his Scott Free Prods. Individuals whose footage make it into the finished film will be credited as co-directors, and 20 of them will be flown to Sundance for the movie's bow.

Scott Free will work with Rick Smolan, creator of "A Day in the Life" and CEO of Against All Odds Prods. -- a California-based organization that specializes in the execution of large-scale global projects -- to distribute cameras to individuals in remote regions of the world in an effort to ensure that the film is as inclusive and representative as possible.

LG Electronics is supporting the project as part of its "Life's Good" campaign.

" 'Life in a Day' is a time capsule that will tell future generations what it was like to be alive on the 24th of July, 2010. It is a unique experiment in social filmmaking, and what better way to gather a limitless array of footage than to engage the world's online community," Macdonald said.

"A vital part of our mission is to support individual storytelling around the globe and to provide a platform for expression and experimentation," Sundance director John Cooper said. "This is a great way to engage the YouTube community and to provide festival audiences with something new and unexpected."

Details about uploading footage are available at http://www.youtube.com/lifeinaday