Surfing the internet is almost daily habit to everyone. Therefore, viral marketing has a lot of benefit.
1) Over 1 billion people has seen see Bad Romance mv on youtube, it effectively helps promote the song all over the world in cost effective way. Also nowadays, people like to watch audio plus video, it surely draw people's attention
2) People are easily to see the video on youtube, no matter people are out-of-home, they can still use mobile phone to see the video. On the other hand, there is no time constraints on youtube, that means whenever you want or wherever you are, you can still see the video on youtube. Promotion power is definitely deepened
3) When we see the mv on youtube, we also can post message on the text box, marketing specialist can know or understand the people views or even they can interact with people
