In the last few years, Pinterest has become one of the world's most popular social networking sites, allowing users to share the things they love with others by "pinning" pictures to an interactive online bulletin board. You may have heard of Pinterest, you may use it yourself—but do you know the story behind the success? Discover the story of how two friends, Ben Silbermann and Evan Sharp, changed social networking with Pinterest. Find out what it took for the two young men to start their own company—and learn what they have planned for the future of Pinterest.