If you log into your Yahoo! Messenger (v8) you should see a wee link at the top "IM with Windows Live (MSN) Messenger" which takes you to the following statement....

Yahoo! & Microsoft have joined forces
"It's a great day for the world of instant messaging. Working hand-in-hand with our friends at Windows Live� (MSN), we've connected our IM communities, making it even easier for you to stay in touch.

From the new Yahoo! Messenger with Voice, you can see when your Windows Live� (MSN) Messenger contacts are online and send them instant messages. Keep all your friends in one place and IM with them anytime, right from Yahoo! Messenger. How cool is that?"

if you don't have the latest Yahoo! Messenger BETA you can grab it at http://beta.messenger.yahoo.com/

want to know more? check out Yahoo Messenger and Windows Live Messenger

share your experience? join our forum thread Yahoo! & Microsoft have joined forces