The Windows Live Wave 3 web services announcement introduced new Windows Live address book called “Windows Live People” that features all of your contacts, both Hotmail, Messenger, Spaces friends as well as Groups you are part of.

Here's a brief overview of the main things that are new.

• Homepage: new consistent UI! along with the new Wave 3 header, that makes it much easier to swap between services, the contacts service is now much more intuitive.
• Contact View: Clicking through to an individual contact brings up a funky new page. As well as showing the legacy personal information such as email, address, phone numbers etc, it now has several new parts.
• Managing your contacts: To help manage your contacts, there’s now an improved feature allowing you to clean up your contacts.

Source:→ LiveSide