With the development of science and technology,the communication between people hasn't prevented by distance any more.Many chatting device have been used such as QQ. It is very good software and shorten the length between human.People across the world who are not familiar with each other can voice anything they want.In a word,It makes conmuniction get more quickly and more convenient .
祝你学习进步O(∩_∩)O哈！
如果对你有所帮助，还望采纳O(∩_∩)O哈！
如还有不懂的，还可以继续追问哦(^o^)/~