FriendFeed is a free web based service that allows you to add updates from social media websites, blogs, social networks, blogs and social bookmarking services, as well as feeds such as RSS and Atom.
FriendFeed also allows you to subscribe to the streams of friends, family and coworkers, so you can see what they're reporting through their updates.
The list of services that work with FriendFeed is very long and includes:
Facebook, Twitter, YouTube, Vimeo, Brightkite, Flickr, Netvibes, Digg,
Google Reader, StumbleUpon, Tumblr, Seesmic, Photobucket, Last.fm,
Reddit and Furl.