Why do people like to write, text, email or type while chatting online?

There is a gap between people, even if they are familiar with each other, there will be silence together. This phenomenon is very common, I believe everyone will encounter it, and it can even become a problem between people. Therefore, SMS and email chat tools are very popular. The ultimate reason is that there can be a long or short buffer when communicating with each other, and there can be a space for thinking to seriously answer each other's questions or to find a suitable topic again to make communication deeper. this