We all have that one friend or family member that's nigh impossible to shop for, whether it's because they have everything or like nothing. Gift cards are the quick and dirty solution to this gifting conundrum, but what if you don't trust that special someone to make a purchase you'd be proud to call your present? Never fear, Amazon is here with a new patent that lets you, the gift-giver, control which of the retailer's wares can be bought with its gift cards. Of course, those who aren't such control freaks can simply have the card make purchase recommendations instead. Plus, this gift card of tomorrow can
