Tags from contacts
I was thinking earlier about the idea of bubble-up metadata, and how great it would be if flickr.com/photos/friends/tags/ wasn't a 404.
So I thought I'd poke about with the API and see what the results might look like. Here's the top 250 tags from my contacts. And the same for Tom, MattB, Rija, PaulyG, Znarf and Lee.