Zynga, Inc. provides social game services. It develops, markets and operates social games as live services played on mobile platforms such as Apple's iOS operating system and Google's Android operating system, and social networking sites such as Facebook. It offers Chess with Friends, Crazy Cake Swap, Draw Something, FarmVille, Gems with Friends, Ice Age: Arctic Blast, Looney Tunes Dash, Speed Guess Something, What's The Phrase, Wizard of Oz Magic Match, Yummy Gummy, Free Slots, Black Diamond Casino, Hit It Rich, Zynga Poker and Willy Wonka Slots. The company was founded by Mark Jonathan Pincus on April 19, 2007 and is headquartered in San Francisco, CA.