I fundamentally don't understand this kind of thing. I've seen it at http://nicovideo.jp http://nicovideo.jp, where most every video is COVERED with text. Doe

I fundamentally don't understand this kind of thing. I've seen it at http://nicovideo.jp http://nicovideo.jp, where most every video is COVERED with text. Doesn't seem all that useful. Maybe it's a cultural thing? But then, there are many things I don't understand that make lots of money.