Why is the SMS verification code function of sharesdk free?

Link:/question /3 155 1595/ answer/156042692.

Source: Zhihu.

The copyright belongs to the author. Please contact the author for authorization for commercial reprinting, and please indicate the source for non-commercial reprinting.

1. In fact, the cost is not so uncontrollable. "Android users use the mobile phone number to verify on the device. The next time they use the same mobile phone card and device for SMS verification, they will not need to send SMS again, and the automatic intelligent verification will pass, with an accuracy rate of 100%." For example, Xiaoming installed n applications using mob service on his Android, but in fact he only needs to verify it once.

2.Mob can easily obtain the correspondence between mobile phone numbers and various applications in this way. It is technically feasible to integrate push advertisements in the next step. Even if it is unknown, it is easy to do big data privately and provide user data statistics for the ecosystem. To put it another way, it is also possible for Mob to be a data provider for investors in the Internet industry. He is very clear about which users are growing fast and what is the relationship between users. Most importantly, the mobile phone number data in his hand is a small ID card in the era of mobile Internet, which is more convenient for the comparative analysis of offline data and cross-application, cross-industry and online and offline data than micro-signals. For a radical example, if there are enough free SMS applications, it can completely analyze the user composition of those mobile applications, the purchasing power of users, and which applications or startups meet the requirements of investors.

3.Mob squeezed out his other charging APIs and services in this way.