Age: 23 and 25
About: Snapchat
Follow: @evanspiegel
Some people wrote off Snapchat creators Evan Spiegel and Bobby Murphy after the duo reportedly turned down a $3 billion offer from Facebook. But the former Stanford frat brothers’ disappearing photo-sharing service is still a hit with users— particularly 18-29 year-olds—who share 400 million snaps each day.