Source- Neowin:

“Among the new features are Dymanic Backgrounds and Voice Clips. Dynamic Backgrounds fill your MSN Messenger conversations and subtly animate during the conversation. Voice Clips allow you to send short audio clips (15 secs max) to your friends on MSN Messenger.

New audio improvements mean talking over MSN Messenger is far improved from recent versions.”

You can also do the following by adding them as links into your own personal website:

Start a conversation with a contact:

-msnim:chat?contact=@hotmail.com

Add a contact to your contact list:

-msnim:add?contact=@hotmail.com

Send an invitation to start a voice conversation:

-msnim:voice?contact=@hotmail.com

Send an invitation to start a video conversation:

msnim:video?contact=@hotmail.com

Download MSN 7.5 Final

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“Talk enables you to call or send instant messages to your friends for free–anytime, anywhere in the world. Google Talk is simple and intuitive to use. There’s no clutter, no pop-ups, no unnecessary software to install. Talk also features some interesting VoIP features like Skype. Google Talk uses the Jabber protocol however instant messaging members of other clients doesn’t appear to be supported. There’s no Linux or Mac client yet, but there are guides to connecting to the protocol on iChat, Gaim, and Trillian.”< /blockquote>

Who knows what will happen but i am betting that Google talk will be popular too…
Ill tell you what i think of them when I get some time to download them…Untill then…

See ya later,
Patrick S