Previously, we contact with friends by sending messages, making a phone call. Now, with the convenience of the Internet,
we are more used to use instant messenger, it is playing a more and more important role in our daily life.
So,which one do you prefer to use?
1.SKYPE
2.Viber
3.Whatsapp
4.Facebook
5.QQ, Wechat
6.TradeManager
7.Linkedin