What if Shanxi Rural Credit Cooperative keeps texting me?

If it is unnecessary information, you feel that it has caused interference to your normal life and you can intercept it directly. This is the so-called "blacklist". The inventor of mobile phone short message is Finnish. Because Nordic people are sensitive and don't like to express by phone, they invented short message on a whim.

Some people say that the inventor of SMS is Marty Cooper, an American. He is an employee of Motorola, but he invented the mobile phone, not SMS.

The world attributed the appearance of the first mobile phone in 1973 to Marty Cooper, the chief designer of Motorola at that time. It was not until nearly 20 years later that the most valuable additional service SMS of mobile phone was announced. 1992, Acision company put the first short message service center (SMSC) system into the market. Its initial design purpose was mainly to investigate and improve the reliability of the developing mobile phone market, and then Telenor, a local Norwegian telecommunications company, became the first signing company of SMSC.