Evolution of communications
小编： North time
Communication methods have greatly changed through times.
In the 19th century,people communicated by telegram. As times goes by, people communicated by telephone.
By used the telephone , we can communicate,shopping online, and WeChat payment. It's very convenient for us.
As a student, I 'll study hard to contribute to the development of science and technology。Certainly, I 'll take advantage of the Internet.