This document discusses several YouTube channels whose creators have been able to make a living from YouTube. It describes Epic Meal Time, which started posting fun videos and grew so large that the main creator was able to quit his teaching job. It also discusses the gaming network Machinima, which sponsors gamers and helps them create and submit videos as a career. Finally, it mentions Smosh, which began as two friends making silly videos for fun and is now one of YouTube's biggest channels, allowing the creators to support themselves through videos and merchandise.