12 Do's and Don'ts for a Successful Youtube 収益化
http://judahirdi893.almoheet-travel.com/the-youtube-shou-yi-hua-awards-the-best-worst-and-weirdest-things-we-ve-seen
You'll find three basic movie file styles on the internet. Mpeg, AVI and Quicktime. I believe the Quicktime file kind is the preferred given that loads of large amusement and information web sites use it exclusively