How Did We Get Here? The History of Youtube 再生回数 購入 Told Through Tweets
http://charlielrqz052.cavandoragh.org/why-nobody-cares-about-youtube-zai-sheng-hui-shu
In addition to, it is actually learned that there are also some registrar organizations who demand a notarized variety or other formal recognition files, but these are definitely just according to the certain county