Pandora is a free internet radio service that allows users to create customized radio stations based on songs or artists they input. It was founded in 2000 by Will Glaser, John Kraft and Tim Westergarten as Savage Beast Technologies and later became Pandora Media. Pandora's mission is to help users discover new music they will love. It generates revenue through advertisements but also offers an ad-free premium subscription. With over 30 million active users, Pandora is one of the most popular music streaming services.