Hictu is a video microblogging service. Users can create their own microblog with small posts (with text, audio and video), personalize their public profiles, manage a presence-enabled friend list, meet new friends. It's easy to use, funny, effective and free.
Lifestream.fm is a media and social aggregator that will keep you and your friends informed about what you're doing online at a glance and in realtime.