Makes me think of the differences between positive and negative reinforcement. It's well established that while negative reinforcement (like spanking) is instant, it is also more temporary, while positive (such as rewards) make longer lasting changes.
I was annoyed with the fact that you had startopia sound affects in that little video and yet it wasnt in the list of games :E. Also alot of those were a bit to easy... at least... a bit to easy to be called the "ULTIMATE" game quiz. I missed only the ski one and submarine one...
I have an understanding that at universal studios florida their building a harry potter themed portion, if they were clever they doll this up and sell them at stands there.
I have my friends pull this kinda stuff on me all the time, of course I do it back. Sure its painful or embarrassing, but afterwords we all laugh at tougether, Come on now Jill, haven't you and your friends ever pranked each other? Some people are just comfortable enough with their friends to be willing to sacrifice themselves a bit for a laugh.