This specification describes technologies relating to content presentation. In general, one aspect of the subject matter described in this specification can be embodied in methods that include the actions of sending one or more redeemable content items to a user, each content item being configured for redemption at a physical retail location; receiving a request from the user to redeem a content item of the one or more content items at a particular physical retail location; validating, using one or more processor, the content item for redemption; if the content item is valid for redemption, notifying a corresponding retailer of the content item redemption to be applied to a pending retail transaction; and logging the redemption. Other embodiments of this aspect include corresponding systems, apparatus, and computer program products.