In a redeemable coupon there is a housing, a motion detector coupled to the housing, wherein the motion detector detects an amount of motion of the coupon, and an indicator coupled to the motion detector, wherein the indicator is activated by the motion detector upon detecting the amount of motion. Additionally, in a method of providing an incentive for a user to exercise, providing the user with a coupon to be coupled to the user, monitoring the motion of the user with a motion sensor included in the coupon, and activating the coupon when the motion sensor has detected a predetermined amount of motion such that the coupon becomes redeemable by the user.