1. Evan Spiegel (24)
    We’ve all heard of Snapchat. And by heard of, we mean that every teenager or 20-something you know is using it and you have absolutely no idea how it works. But nonetheless, Snapchat has taken the social media world by storm, in part thanks to Evan Spiegel who cofounded the photo messaging application at only 24 years old. PS, it’s valued at $10 billion dollars. Yes, billion, with a B.