Free is not free. At present, the fixed-point push of reverse advertising can not only reach your mobile phone, but even your local area network. At present, installing an APP requires your SIM card information, which is correct. Simply used for fixed-point push advertising and identification (who are you). Of course, when the SIM card information is obtained by software vendors, it can also be used for other purposes.
The same is true for the IOS system, which uses software with limited functions and pushes advertisements at the same time.
So now everyone who uses the software should consider the cost, whether it is appropriate to use genuine or free, and buy a cheap version on a treasure.
If you are engaged in this job, in order to save trouble, you really buy genuine products, so you won't spoil it! It doesn't matter if you play video casually. You can pay one month's money every month. I see that many professionals use genuine products. The statement is very simple, using genuine products will not delay things.
1. How about the training center of China Education Association?
Introduction: The training center of China Education Association wa