The document presents a new model for customizing the check-in process through a mobile service called qrpon, which allows businesses to create tailored benefits for customers in exchange for social media posts. This model enables businesses to manage their own check-ins and rewards without relying on third-party services, offering flexibility for promotions and engagement. Ultimately, qrpon aims to enhance the connection between social networks and retail by facilitating customized check-ins linked to benefits like discounts and coupons.