Let's install the software. If you do that, you'll see there are a lot of opt-out options and bundles.
You'll also notice that Live Messenger cloned Yahoo Messenger interface. If Yahoo has Launchcast, Microsoft has Rhapsody Radio (but you have to pay for it). Both have an ad and a search bar at the bottom of the window.
So what's new in Windows Live Messenger?
* Live folders - share files with your contacts and synchronize the updates.
* Live contacts - update your contact card and it updates for everyone you want it to.
* PC-to-PC calling.
* PC-to-phone calls: sign up for service with Verizon.
* Video calling: 640x480 videos.
* Live Messenger will offer users a sneak-peak at the upcoming Walt Disney movie release "Pirates of the Caribbean: Dean Man's Chest," as well as an online video game based on the movie.
Live Messenger will replace MSN Messenger, that will still be available for users that have older versions of Windows.
Yahoo Messenger - Live Messenger interoperability is not yet available.
You can see a video that shows the new features of the Live Messenger and they are described by a member of Live Messenger team.