NBC has partnered with YouTube for "America’s Got Talent" auditions, according to James Hibberd at The Hollwood Reporter.
Hibberd says in his article that starting today, Monday, April 26, "[A]cts can upload their videos onto a special page on the video-sharing site to be in consideration for the summer show. From the submitted videos, producers from FremantleMedia North America will select 40 to be posted on a "’Got Talent’ YouTube channel for users to vote on. A total of 12 acts from YouTube submissions will perform live on the NBC show."
The article says the submission site is: www.youtube.com/americasgottalent.