To create the movie the filmmakers, Ridley Scott and Kevin Macdonald, asked the YouTube community to submit videos of their life on a single day - July 24 2010. They gathered 80,000 video clips (5,000 hours of footage) and edited it into a 90-minute documentary that premiered at Sundance last night.
They used the part where my gorgeous wife pulls her Ruger out of her pocket:
Here's a link to the Life in a Day page. Unfortunately they aren't rebroadcasting the film on YouTube in the United States: