Systems and methods for users of an automated retail store, vending unit, digital signage or interactive retail display (self-service units) to interact with such display/unit, collectively referred to in this text as a machine, directly and/or simultaneously using a one or more mobile devices. In addition, system and methods are provided that can recognize registered users within a set proximity to the machine and broadcast messages and notifications such as machine information, inventory information, rewards, discounts and free products, all of which could be tailored to the specific user based on understanding gathered through analysis of prior interactions.