introduction: due to the different characteristics of growth environment for the network effect and the platform effects are not the same.
network effect is a characteristic that makes the value of a product to a new user affected by the number of users of the product. In other words, the number of adopters is an important consideration for the next adopters. For example, if only a few people to use the fax machine, most people would not consider purchasing. And when more and more friends using WhatsApp / Line / WeChat, will drive more users to join.