In a broadcast-program selection history information acquisition apparatus and
its method, the totalization side can easily totalize selection history information.
To acquire the selection history information of a broadcast program selected out
of broadcast programs of a plurality of channels, the selection information of
the broadcast program is stored at a predetermined acquisition timing and the selection
history information which is composed of a plurality of pieces of selection information
stored every plurality of acquisition timings is transmitted to a notification
destination at a predetermined transmission timing.