The popularity of online video has risen exponentially in recent years. What was once a novelty is now making a daily appearance in our inboxes. But are most people participating directly with the medium or is it still mostly a spectator sport? And who really makes up the Internet’s target demographic? In other words: who’s uploading, who’s watching, and why? We went hunting for these answers and more and organized them into a handy little infographic for your viewing pleasure: