What's Holding Back the menambah subscriber YouTube Industry?

http://francisconryw071.huicopper.com/the-most-influential-people-in-the-tambah-subscriber-youtube-industry-and-their-celebrity-dopplegangers

There are three simple video file forms over the internet. Mpeg, AVI and Quicktime. I think the Quicktime file kind is the preferred due to the fact a lot of large leisure and news web sites use it completely on