The video-sharing site was launched in 2005.
"With 72 hours of video being uploaded every minute, we finally have enough content to close the competition. We've started the process to select a winner and as of tomorrow at midnight, we will be closing the site to submissions," a joke YouTube news release said Sunday.
YouTube plans a video presentation Monday at 11 CDT to being announcing winners in the "Best Video" contest.
"This announcement will resume for 12 hours every day for the next two years," the release said.