CLIENT DEVICE, CONTROL METHOD, SYSTEM AND PROGRAM

摘要

[Problem] To provide a client device capable of presenting emotion expression data indicating the viewing reaction of other users, or of the user of this client device, and to provide a control method, system and program. [Solution] This client device is provided with: an acquisition unit which acquires the viewing user's reaction to content; an emotion inference unit which infers the viewing user's emotions on the basis of the information about the viewing user's reaction acquired by the acquisition unit; a determination unit which determines emotion expression data that indicates the emotions inferred by the emotion inference unit; and an output unit which outputs the emotion expression data determined by the determination unit.