

Yahoo has also seen an increase in the popularity of its Yahoo Messenger software. Microsoft has made instant messaging a central feature in its Windows XP operating system and its MSN Internet service, and is working on a corporate-communications tool, code-named Greenwich, that will include instant messaging. Earlier this month seven top brokerage firms formally announced a coalition to promote the adoption of standards in the fragmented instant messenger industry. In other words, any high-speed version of AIM that lets people send high-quality audio and video would require AOL to open its IM network.Ĭalls for interoperability have faded among users in the consumer market, but they've begun to heat up among business users. As a condition of AOL's merger with Time Warner, the FCC ruled that AOL Time Warner must offer interoperability with outside services should it launch an "advanced IM" product.

The FCC is currently scrutinizing AOL for its IM dominance.
