Recently, many kind of SNS are released. Some of japanese go out to SNS what provides the service for world wide as FB, Twitter and Google+. Well, google provides two different SNS. One is Google+ and another one is Youtube. Youtube live is provided from google+ hangout. The view from connectibility of users they are two different thing. Facebook can allow only bidirectional connection between users. You can follow some page with like button, but it is little bit difference. Twitter and google+ can allow the one way connection between users. This difference comes from the view of publisher and subscribes , i think. On twitter and google+, publisher wants to describe something to others. But, the publisher don't want to care about who has interest in the published contents. If the user has interest in the contents then the user will subscribe the publisher. On the facebook, the publisher want to tell something to his friends. So, the main target of subscriber is pub...
I don't know....... You don't know........who know.....???