Free Diet Coke Coupon - Facebook Jul 14, 2010 10:03:58 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by ~RoseGarden~ on Jul 14, 2010 10:03:58 GMT -5 Free Diet Coke Coupon - Facebook Give a Friend a Boost (or yourself) with a shout-out and $1 off a Diet Coke. Limit 5 coupons per sender per day.apps.facebook.com/getaboost/boost.jsp