The Nerd'ster!
A demo / reference implmentation / proof of concept of the paradigm, works with the ONE-OF-US.NET phone app.
Identify yourself using your public key to use trusted content from your Point of View.
Sign in with a delegate key to publish your signed contributions.
Demonstrates and explains everything that's going on (shows statements, signaures, identity keys, delegate keys, identity network conflicts, 3'rd party verification, etc..)
Puny and weak, won't handle thousands of anything (people, posts) around you (or any particular PoV, but you can shit Pov).
Purist: naked, fully open.
Dime-a-dozen forum like web app to submit and rate links and facilitate following others.