Patent ID: 8533046

Claim:
An advertisement server for transmitting an advertisement image to a user terminal connectable to an IC chip to which ID information is given, the advertisement server comprising: a communication unit; a storage unit; at least one processor; and a memory device storing instructions which when executed by the at least one processor, cause the at least one processor to: accept a transmission request of the advertisement image from the user terminal; receive, from the user terminal, ID information of an IC chip connected to the user terminal; transmit to the user terminal an advertisement image whose transmission request is accepted; obtain a view confirmation result indicating how much of the transmitted advertisement image was viewed by confirming a connection between the IC chip and the user terminal while the user terminal reproduces the advertisement image; generate view recording data including an association between the ID information of the IC chip, the view confirmation result, and the transmitted advertisement image; and transmit the view recording data to a reward server to calculate a reward for a user of the IC chip based on the view recording data.