Abstract: Service recommendation among users can be promoted while refraining from excessive recommendation activity. A server according to an embodiment includes an information storage unit, a screen display control unit controlling displaying screens on a terminal device, and an offering request receiving unit receiving an offering request of recommendation information. The offering request is executed without specifying a recommendation destination user.

Abstract: The system according to an embodiment of the present invention may more appropriately provide recommendation information of contents based on use status of the contents by a plurality of users.

Abstract: The system according to an embodiment of the present invention may more appropriately provide recommendation information of contents based on use status of the contents by a plurality of users.

Abstract: A system according to an embodiment recommends, to users, electronic contents which can be enjoyed together with other users. The system includes: a service provision control unit for controlling provision of services; an information storage unit for storing information; a selection unit for selecting, from a plurality of games, recommended games to be recommended to a user and selecting, from a plurality of users, one or more introduction users to be introduced to the user as users using the recommended games; a screen setting unit for setting the screen data of a content recommendation screen; a sending unit for sending the screen data of the content recommendation screen to the terminal device; and a reward providing unit for providing a reward to the user or the introduction users.