Dilbert looks over the wall into Wally's cubicle and says, "Wally, these peer reviews are like the famous 'prisoner's dilemma.'" Dilbert explains, "If you rat on me but I say good things about you, you get the biggest raise. But if we praise each other we can BOTH get a small raise." Alice looks over the wall and says, "Wally, if you rat him out, I'll let you look at my 'Victoria's Secret' catalog." Dilbert says, "This is exactly why there are no coed prisons."