YC is already one giant mafia, if you'd like to think of it that way. I'm sure YC classes vote each others' stuff up. I'm wondering what the recently implement

YC is already one giant mafia, if you'd like to think of it that way. I'm sure YC classes vote each others' stuff up. I'm wondering what the recently implemented voting ring detection reveals. Are they all clustered by YC class? Are there overlaps? Or is there an outside group moving the articles up?