By now everyone has heard of Groupon, the deal-of-the-day website that features discounted gift certificate. They recently started a new section, Groupon Coupons,  a collected and curated group of 55,000 coupons and promo codes from top stores. When I shop I NEVER check out without searching for coupon codes so Groupon Coupons is a regular stop for me while I'm shopping.  You can sear