Microsoft has partnered with some of the world’s top social networks on contact data portability. Announcing this John Richards, Director of Windows Live Platform said :
"Starting today, we will be working with Facebook, Bebo, Hi5, Tagged and LinkedIn to exchange functionally-similar Contacts APIs, allowing us to create a safe, secure two-way street for users to move their relationships between our respective services. Along with these collaborations, Microsoft is introducing a new website at www.invite2messenger.net that people can visit to invite their friends from our partner social networks to join their Windows Live Messenger contact list."
The collaborations with Facebook, Bebo, Hi5, LinkedIn and Tagged will make it easier, safer, and more secure for people to have access to their contacts and relationships from more places on the web. These networks will be adopting the Windows Live Contacts API instead of “screen-scraping.” Starting today, you can visit www.facebook.com and www.bebo.com to find your friends using the Windows Live Contacts API. Hi5, Tagged and LinkedIn will be live in the coming months.
With these collaborations and the new website at www.invite2messenger.net that lets people invite their social network friends to join their Windows Live Messenger contact list, we’ve essentially now created a two-way street for people to share their information. (NOTE: It may take a couple of hours for the site to become available due to DNS propagation.)
Update: Now that site is available, here's a screenshot .
Check the full details here.
Also check this announcement on Angus Blog.