YouTube is a popular video sharing website with a built-in social network. It encourages users to share videos with friends, family, and the world. Founded in February 2005 by former PayPal employees, YouTube is now owned by Google, which acquired it in 2006.
YouTube claims that "every minute, 72 hours of video are uploaded." Besides being a desktop destination, YouTube also has popular iOS and Android apps and optimizes its videos for mobile viewing as well.