Gamertag is the universal name for a player's username on Microsoft's Xbox Live. Using a Gamertag, any player can be located and messaged from within Live. There are several websites which allow users of Gamertags to upload photos and information about themselves. Microsoft Corporation (NASDAQ: MSFT, HKEx: 4338) is the worlds largest software corporation, with 2005 global annual sales of almost $40 billion USD and about 64,000 employees in 85 countries and regions. ... Xbox Live is a subscription-based online gaming service for Microsofts Xbox and Xbox 360 video game consoles. ...
Microsoft may wish for the term to be used as a synonym for screenname, not necessarily just for XBox Live.[1] A screenname is a name or string of characters chosen to uniquely identify a user within an online system, including dial-up bulletin board systems, platform videogame servers, and Internet-based environments. ...