Starting Febuary 1st, 2010, if you log in to Marlboro.com (you can register for free if you don’t have an account) and enter in promo code MAR9761. You can choose from 3 gifts, which have yet to be revealed.
*The promotion runs from 2/1/2010 thru 3/15/2010. Must be a smoker 21 years of age or over.
(Thanks McSlick @SD)