Yahoo! Inc. (Nasdaq: YHOO) and Microsoft Corp. (Nasdaq: MSFT) today announced a landmark agreement to connect users of their consumer instant messaging (IM) services on a global basis. The industrys first interoperability agreement between two distinct leading global consumer IM providers will give MSN Messenger and Yahoo! Messenger users the ability to interact with each other, forming what is expected to be the largest consumer IM community in the world, estimated to be more than 275 million strong.
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