Microsoft Opens Messaging Service to AOL, Yahoo Users

In its next version of software that provides instant messaging capabilities, Microsoft will provide an add-on feature that will allow companies using AOL and Yahoo to communicate across networks that use MSN Instant Messenger. Initially, the service will only be available for businesses who are willing to pay for the service. No word when it might be opened up to individual consumers who use the free version of MSN Instant Messenger. Read all about it.