WOT: "The owner of this key is Joe Doe as confirmed by Susi Dusi and Lars Lampert".
What I mean: "The ownder of this key has a popularity of 23 (as can be seen on chain) and a karma of 75 (as calculated from my personal social graph or interests and on chain data)".
Looking at a Bitcoin address you can see that the owner of that address owns at least X bitcoin. But you don't know who he is. This is what I propose for popularity and karma.