MSN Messenger, or just MSN is a snap message program created by Microsoft Corporation. The program allows a Internet user
to communicate with other user that have the same
program at real time, having the possibility to have a virtual friends list and visualize when they are online or offline.
The pioneer in this kind of application was ICQ, which in 1997 revolutionized the concept of online chats. Perhaps, on the last years the MSN has conquered more and more adepts in reason of been
integrated to Hotmail e-mail service and because of the huge publicity in association with young public. Also has as an opponent the Yahoo! Messenger, another service likewise integrated to e-mail.