YouTube was founded in 2005 by Chad Hurley, Steve Chen, and Jawed Karim. It was acquired by Google in 2006 for $1.65 billion. YouTube's headquarters is in San Bruno, California. The site allows users to upload, view, rate, share, add to playlists, report, and comment on videos. It offers a wide variety of user-generated and corporate media videos. Advertising is YouTube's primary function and source of income.