Abstract: A notification device includes: an acquisition unit that acquires a destination to which a mobile body moves and an estimated arrival time of the mobile body arriving at the destination; a meeting determination unit that determines whether or not a user boarding the mobile body participates in an electronic meeting during movement of the mobile body; and a notification control unit that compares, when the user participates in the electronic meeting during movement of the mobile body, a scheduled end time of the electronic meeting with the estimated arrival time, and controls the notification unit to execute notification based on a comparison result.

Abstract: A content output apparatus includes: a content output section configured to output content through an output device located in a mobile body, the content being distributed by a content distribution service; a passenger determination section configured to determine a number of passengers located in the mobile body; and a content change section configured to change the content to be output by the content output section on a basis of whether the number of the passengers determined by the passenger determination section is one, or more than one.

Abstract: A function management system includes a first acquisition unit configured to acquire information about a first function that is a function installed on a first vehicle, a second acquisition unit configured to acquire information about a second function that is a function installed on a second vehicle, a selection unit configured to select, based on the information about the first function and the information about the second function, an additional function that is a function to be added to the second vehicle, and a transmission unit configured to transmit, to the second vehicle, an addition program that is a program for adding the additional function.