We'll create fresh WordPress site with ActivityStream extension installed. You have 20 minutes to test the plugin after that site we'll be deleted.
ActivityStreams (activitystrea.ms) support for your WordPress-blog
ActivityStreams is an open format specification for activity stream protocols, which are used to syndicate activities taken in social web applications and services, similar to those in Facebook’s Newsfeed, FriendFeed, the Movable Type Action Streams plugin, etc.