15 Reasons Why You Shouldn't Ignore Youtube 再生時間 購入
http://andrehwcr673.huicopper.com/20-fun-facts-about-youtube-zai-sheng-shi-jian-gou-ru
The components and computer software you'll want to digitize video clip in to the Quicktime format is extremely inexpensive, compared to the mpeg structure. So its less difficult and less costly to develop video