An information processing device including a receiving unit that receives predetermined information from a first information terminal possessed by a first user and a second information terminal possessed by a second user, an action recognition unit that recognizes an action of the first user on the basis of the predetermined information received from the first information terminal, and an information transmitting unit that transmits, on the basis of the recognized action of the first user, information for determining whether or not the second information terminal possessed by the second user is to acquire the predetermined information.