There is provided an information processing device and an information processing method which are capable of processing information provided in a mobile object such as a vehicle and a mobile object. A calculation unit performs a process of extracting stores which can be stopped off or products or services which can be provided in each store on the basis of selection of a final destination, a boarding time, a purpose of boarding, a route, or a boarding course designated by a passenger via an input unit or information such as a budget or the like and giving a notification to the passenger through a display unit. Further, a driving route, an arrival time to a destination, and providable products or services are dynamically changed in response to selection of a product or a service by the passenger.