At YouTube, Sara Pollack made "Life in a Day," a film made by YouTubers around the globe

On July 24, 2010, thousands of people around the world uploaded videos of their lives to YouTube to create Life in a Day, a cinematic experiment to document a single day on earth.

All in all, 80,000 submissions containing over 4,500 hours of footage from 192 nations were edited into one 90-minute film of raw, first-person scenes from real people around the globe, echoing the experience of YouTube itself. Since "Life in a Day"'s debut on the site in 2011, more than 15 million people have watched the film.

In this episode we talk to YouTube's first film community manager, Sara Pollack, to learn more about a film YouTube made called "Life in a Day."