Asian culture relies heavily on word of mouth. The main factor contributes to that behavior is the collectivism issue. It’s very common to find people to travel in groups in Asian culture, even to the bathroom. Funny, if you are in a western society, people will think you are gay. Anyway such bond makes the group member wants to be similar.
One of many overwhelming impact of internet is word of mouth. People can express themselves via social networking sites and blogs with the diminishing of place boundaries. With internet, I can get to know what people are thinking, instantly and wherever it is. Indeed, internet is a very powerful word of mouth medium