Simplify the following text for a Grade 12 native English-speaking person.
Original: and AOL came to a deal where Microsoft 's Live Communication Server 2005 ( which is interestingly also used by Reuters for its Reuters Messaging service ) users would also have the possibility to talk to public instant messaging users .
Simplified: and AOL agreed a deal in which Microsoft 's Live Communications Server 2005 users would also have the possibility to talk to public instant messaging users .