Why am I using these services nearly every hour of my waking life? Because they are being talked about and I want to learn what is making people so passionate...trying to figure out what they are good for and whether the hype is justified. In my opinion:
Ping.fm is a simple service that cuts out the middle man when it comes to posting to your social services such as Facebook, Twitter, Jaiku, Tumblr and Pownce with more being added soon.
Reviews social networking site aggregators (profile aggregators): Spokeo, Hypeit, Profilefly, ProfileLinker, and Profilactic. Commenters discuss portals: Netvibes, Pageflakes, iGoogle...and lifestreaming, social streaming, or streaming presence sites li
I surfed over to Jaiku.com annd spent a few seconds looking at the big map on their homepage, the one that looks like Twittervision, in which new messages show up on the globe as they're posted.