Abstract: By receiving a plurality of pieces of program information from program providers looking for sponsors, broadcasting the plurality of pieces of program information as an auction program simultaneously (by thumbnail display or frame-by-frame forwarding), making viewers notify an auction program provider of programs they find interesting and notifying the sponsors of the audience rating of each program in real time, an auction program provider device, a sponsor selection method and a sponsor selection program can be provided such that each sponsor can become the sponsor of a program in which the target customers of the sponsor match the viewers of the program.

Abstract: The present invention can provide an interactive TV server device, a lottery method and a lottery program. The interactive TV server device comprises; a clock unit tracking how much time has elapsed since invitations are sent out; a counter unit counting the number of applications received after the invitations have been sent out; and a lottery closing unit closing the lottery when a prescribed time limit or the maximum number of participants has been reached, and refusing all applications after this time. An applicant can improve his/her odds in the lottery in real time by continuing to participate in the lottery program. In this way, finally the audience rating of a program can be improved.