There are many advantages to using instant messenger. It connects people regardless where they are actually located. In the company, colleagues can send and reply instant message in real time without face to face, meanwhile the work report can be shared during the instant chat session; the IM can make a virtual conference without get all the related people together in a physical meeting room. People can speak to multiple people in the virtual conference, share ideas and get conclusions. People on a business trip can contact the co-works inside the company through IM as well. What’s more, the staff can talk to customers or vendors online as well, in other word, now people can do business through the instant messenger direct rather than use the traditional method like make phone calls.