Instant Messenger.

Instant Messenger is very popular at this moment, such as ICQ, MSN Messenger, Yahoo! The instant communication has many functions, for example, video conference, voice chat and file transfer are also rising in recent years. From the previous conversation, Writing, Calling, E-MAIL.., instant communication is like a kind of evolution. We can do all of those by instant messenger systems. Whether you use at work or in life, it is very convenient for us.

More and more rapidly development of science and technology, there are a lot of convenient features and a variety of instant messenger system. We must learn how to take advantage and choice, and do not rely entirely on it, then we can bring more benefits.