Sightings of Ladder Theory in the wild:

There are two mains lists: the "friends list" and the "potential lovers list". Within these list there are sublists - the "shit list", which branches from the "...lovers list" and an "irritated list", which branches from the "friends list"

There is currently no one on the potential lovers list and the one person on the shit list has been transfered to the friends list because those requirements are a little less stringent...