WHy pay more than face value for a Gift Card?

[Kelemvor]

Was looking on ebay today and found all kinds of Amazon.com gift cards that are selling and have sold for MORE than the value of the card. What is the point of buying one? Am I missing something?

http://shop.ebay.com/?_from=R40&_tr...kw=amazon+gift+card&_sacat=See-All-Categories

*repost*
http://forums.anandtech.com/showthread.php?t=2023690&highlight=gift+cards