Pinterest has an estimated 150 million unique visitors monthly. Founded in 2010 by Ben Silbermann, Evan Sharp, and Paul Sciarra, Pinterest is an online scrapbook or bulletin board where users Pin things they find on the Internet such as images, news, food, recipes, fashion, and events, etc. Users Pin or post these tidbits to Boards, where they can organize and share them. Users can Follow other Pinterest members and/or use the service as a Group bulletin board to plan and organize schedules and events. The site tracks your posts, and then makes suggestions for other items that might interest you.