e-Commerce Expert

"Facebook Connect" is a new API provided by facebook, it is to share facebook user identities to all sites out of facebook. User can use there FB identities to login new sites. Details for this new features, original links:

http://developers.facebook.com/news.php?blog=1&story=108

Trusted Authentication
Users will be able to connect their Facebook account with any partner website using a trusted authentication method. Whether at login, or anywhere else a developer would like to add social context, the user will be able to authenticate and connect their account in a trusted environment. The user will have total control of the permissions granted.

Real Identity
Facebook users represent themselves with their real names and real identities. With Facebook Connect, users can bring their real identity information with them wherever they go on the Web, including: basic profile information, profile picture, name, friends, photos, events, groups, and more.

Friends Access
Users count on Facebook to stay connected to their friends and family. With Facebook Connect, users can take their friends with them wherever they go on the Web. Developers will be able to add rich social context to their websites. Developers will even be able to dynamically show which of their Facebook friends already have accounts on their sites.

Dynamic Privacy
As a user moves around the open Web, their privacy settings will follow, ensuring that users' information and privacy rules are always up-to-date. For example, if a user changes their profile picture, or removes a friend connection, this will be automatically updated in the external website.

 Videos posted by Facebook.