三、网络效应与标准竞争战略　　信息产业可以说是网络效应表现最明显的行业 ,因为信息产业的主要内容是信息的制造、传输和接收。消费者要从信息产品中获得效用 ,也必然要与这三个环节的厂商接触 ,或购买他们的产品或购买他们的服务。在购买一种“信息接收产品”时 ,还需购买 Third, the network effect and standard competition strategy The information industry can be said that the network performance is the most obvious industry, because the main content of the information industry is the manufacture, transmission and reception of information. Consumers gain utility from information products, but also inevitably have to contact the manufacturers of these three areas, or purchase their products or purchase their services. Buy a “message receiving product.”