What is the reason for sending a short message with a first name?

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Short message, also known as "short message", is an information product based on digital technology and appears in digital form, and it is a new way of information exchange. Based on information exchange in wireless communication technology, it sends, stores and forwards information through mobile network. Short Message Service (SMS) is a great leap in wireless communication at the end of 2 1 century. Mobile networks can transmit not only audio and video, but also data.