Although this year, compared with the past, the flow card rates of the three major operators of China Mobile Unicom have been greatly adjusted. Now there are more popular cost-effective traffic cards than before. Normally, customers should have more choices, but the actual situation is that the monthly cost of the flow card is not as cost-effective as 800 million netizens expected. If you use WeChat, Weibo and other social software every day, the traffic cost is acceptable. However, with the rise of small video industry and the development of mobile online games, the demand for traffic has exploded. Therefore, facing the problem of "which is the most cost-effective flow card", many consumers are still puzzled. Let's not say which one