I am getting close to launching the Shibidends site which has been expanded to include The List of Rich Shibes, the Shibe Royals, Shibellionaire's, and a pseudonymous messaging system.

The way it will work is that you can post on other address's "walls" similar to Facebook, by signing your message in your wallet to prove you own the address.  Only Shibellionaires can post on the Shibe Royal's walls, Commoners can post on Commoners walls and Shibellionares walls.  Maybe I will tweak that, it depends.

Here's a sneak peek:
http://i.imgur.com/RIStlJw.jpg

After activating your address you'll be eligible to receive dividends proportionate to your average address balance relative to the sum of other active address balances.

All known addresses have a page with a richometer and statistics about the address, dividend payout history, ranking compared to the rich list, rank movements, comment wall, etc.

You can set a username for your address by signing a set-username message in your wallet.

It's gonna be pretty cool!