Microsoft recently released a new Silverlight 4 based facebook client for both Windows and Mac OS X. Scott Guthrie originally demonstrated this Silverlight client for Facebook during his PDC 2009 keynote late last year.

For more information, visit MicrosoftFeed article.

The activity feed in SharePoint 2010 is very interesting. It is a way to see and read what your co-workers are doing. Most of your actions in SP2010 will end up in the activity feed.

But what about your actions and updates outside the organisation? Like twitter?

Stef van Hooijdonk created a class that will import your twitter updates ( through your public timeline rss feed ) and will post those updates to your activityfeed. Form more information and download; click here...