
You can now sign up for the Yahoo! interoperability. Once you agree to the service agreement, you will be presented with a page saying to sign out and sign in again to activate the new functionality.
Windows Live Messenger 8.0.792 is required to use it, prior builds have been blocked from signing in, namely 8.0.0787. Your Yahoo! Messenger contacts will also need the latest beta version:
Does this work with all my Yahoo! contacts?
Yes. As long as your friends have the beta version of Yahoo! Messenger with Voice, you’re set. When you add them to your contact list, they’ll get all the information they need to gear up and connect with you.
Mario has posted his initial findings with the related changes to the new MSNP14 protocol.

Microsoft has today announced it will launch a limited beta of the awaited interoperability between Windows Live Messenger and Yahoo! Messenger.
The two instant messaging networks tied together will form the largest IM community of around 350 million accounts. The press release states the interoperability will go as far as:

- See online presence
- View personal status messages
- Share select emoticons
- View offline messages
- Add new contacts from either service
With the select emoticons, I imagine this is limited to what each client supports. Does Yahoo! have a goat emoticon? Perhaps the custom emoticons feature could be well used in this regard.
We should be able to sign up for the beta at Windows Live Ideas, according to the posting on the Windows Live Messenger Space.
Going by the traces of references[1][2] to the interoperability in the client we’ve seen in the last few weeks, and no direct mention of another new build or download, it looks like signing up at Ideas is all that is needed to active your account.

Are you a user of Windows Live Messenger? Have you saved your username and password so that you don’t have to enter it every time you want to sign in? Well maybe you should think again. With only a few lines of code, a hacker could gain access to your accounts through a problem in the way that messenger stores your password. What is this problem? Everything is stored in PLAIN-TEXT! For more information, head to the forum.
The multi-network Web based Messenger service eMessenger recently changed its name to eBuddy shortly after a visual overhaul sometime during May.
eBuddy currently supports the instant messaging networks MSN, Yahoo and AIM using Javeline in a fast AJAX Web based environment requiring no additional software installed other than a modern browser. eBuddy also offers a mobile version that runs on devices which support xHTML or WAP 2.0.
Currently there is a new MSN version running on the site, allowing you to choose the classic or new one. The new version is quite impressive, resembling the theme on MSN Messenger 7.5, but also adding its own touch. It features display pictures, content tabs & tabbed environment and even nudges.
See for yourself and give it a try.

If you’re a lucky guy like TheSteve, then you would of received your Windows Live Messenger beta gift. The gift is intended to be given to those that tested WLM and gave the team your shipping address before the given date. So what is it? You get your very own laptop bag with the WLM buddies on it with a nice colour scheme of white and grey. Start watching your mailbox and just wait til the fashion season, when the pretty people wear this lovely designer accessory. Thanks to TheSteve for the image.
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