[DEAD?] Target.com – $100 gift card for $90 (7/24 only)

UPDATE: This appears to be dead as of  11PM est.

Target GiftCards and Target Mobile Gift Cards can be redeemed for merchandise or services (excluding American Express® and Visa® gift cards and prepaid cards) at Target stores in the U.S. or Target.com. Target eGiftCards can be redeemed for merchandise at Target.com only.

This deal cannot be combined with the 5% Red Card discount or Ebates.  Apparently you can use a gift card to buy another gift card.