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Windows Live Messenger Last modified: Tuesday, March 18, 2008
Previously called MSN Messenger, Microsoft's Windows Live Messenger (WLM) is an advertisement-supported instant messaging service. It currently has more than 27 million active registered users worldwide. WLM offers file sharing, PC-to-PC calling, time-stamped messages, offline notifications and other features. In 2006, Microsoft and Yahoo announced an interoperability agreement which would allow users on either system to communicate with each other. WLM is available for the PC and mobile applications also. See also "Public IM Services" in the Quick Reference section of Webopedia.
Quick Reference: Internet Telephony Internet telephony can be basically broken down into three categories consisting of PC-to-PC telephony, PC to Phone, and Phone to Phone. Webopedia's "Did You Know...?" Section Use this Webopedia knowledge section for an in-depth overview of specific technologies and occurrences in the areas of Computer Science, The Internet, and Computer Hardware and Software. Webopedia's Quick Reference Section Use this Webopedia reference section for information on common Internet and computer facts and occurrences.	Related Categories Internet Telephony Related Terms IM IM worm instant message instant messaging Internet MSN