Guest Post:  This post was contributed by Kelly Kilpatrick, who writes on the subject of MBA admissions. She invites your feedback at kellykilpatrick24 at gmail dot com. In the TechCrunch article (12/4) “eBay Holiday Contest Overrun By Automated Scripts, Honest Users Disgruntled,” it would seem the Internet behemoth messed up on its latest promotional effort, a holiday contest that was