How Did We Get Here? The History of Youtube買讚 Told Through Tweets
http://remingtonsfmj977.iamarrows.com/the-ultimate-guide-to-youtube-zeng-jia-guan-kan-ci-shu
You will find a few standard movie file forms on the web. Mpeg, AVI and Quicktime. I feel the Quicktime file kind is the preferred since plenty of substantial amusement and information sites utilize it exclusively