Let's take a look at the Microsoft Mouse from 1983 by reviewing history.

The mouse is one of the most commonly used computer devices, but before its invention, people could only operate computers using a keyboard. It's that cute and compact mouse which allows us to simply slide it around to operate our computers. This free and easy "keyboard + mouse" mode of human-computer interaction may change in the future, but at least for now, we can't live without it.