5 Reasons We Like 5 Reasons Videos
Vi Hart, who really knows how to make a video we want to watch, explains why a video with five reasons is a sure-fire hit. At least I learned that birds suck at foosball, even if I didn't learn why. -via Viral Viral Videos
1. Interesting topics
2. Fast paced
3. Realistic special effects
4. Entertaining
5. Intelligent
https://www.youtube.com/user/Vihart?feature=watch