Target's announced it is launching a scannable mobile coupon program -- the first of its kind. The opt-in program will provides Target shoppers with a customized webpage on their mobile phones, with all offers scannable at checkout via a single barcode. Target's no stranger to innovative marketing -- its gift cards are well known for their cute, gadgety ways -- and while this new program is essentially a text message driven sale (meaning it could quickly become a mere annoyance), anything that minimizes our interactions with fellow humans gets our stamp of approv