Abstract: An equipment management server includes: an equipment information acquiring unit that acquires, from a first terminal device that registers equipment owned by a user, equipment information indicating the equipment; a demand determination unit that acquires the transaction result of the equipment indicated by the equipment information acquired by the equipment information acquiring unit in a secondhand products trading market, and determines whether or not there is a demand for the equipment in the secondhand products trading market on the basis of the transaction result; and a solicitation notice transmitting unit that transmits, to the first terminal device, a listing solicitation notice prompting listing of the equipment on the secondhand products trading market when the demand determination unit determines that there is a demand.

Abstract: An information processing device includes: an operation determining unit that determines whether or not a function input operation performed by the user is an operation intended by the user, by determining whether or not the function input operation performed by the user is a repetition of a predetermined operation pattern, on the basis of a plurality of pieces of function operation information corresponding to the function input operation among a plurality of pieces of operation information obtained by an operation obtaining unit, the function input operation being an input operation for allowing a function of a device to be performed; and a notification output unit that outputs, when the operation determining unit determines that the function input operation performed by the user is not an operation intended by the user, notification information indicating that the user has performed the function input operation by repeating the predetermined operation pattern.