[djz2k]

The problem w/ circles, lists and tags, is that they require the user themselves to create and maintain them. Unless your tech can read minds and prompt for new affinities discovered or changes in relationship automatically, its too much cognitive load.

You should read - http://blog.intercom.io/what-we-can-learn-from-google-plus/ Curious how you solve for that.

I don't think its natural for humans to say "today Bob went from acquaintance to friend" or "i'll make a circle for dirty jokes" proactively.