Abstract: An information management device which communicates with a mobile terminal, including a creating unit which creates advice information to be displayed on the mobile terminal for giving advice to a customer; a transmitting unit which transmits the advice information to the mobile terminal; and a requesting unit which transmits, to the mobile terminal, a deletion request for deleting the advice information, at a predetermined timing after transmission of the advice information.

Abstract: Disclosed is a data processing system including a plurality of terminals and a server connected to the terminals via a communication network. Each of the terminals includes a display unit, a layout modifier which modifies the layout data of the POP advertisement in response to a user operation, and an improvement-report-data transmitter which transmits the improvement report data to the server. The server includes an improvement analyzer which stores the linked analytical result and the improvement report data in a storage unit, and an analysis transmitter which transmits at least the POP advertisement of before and after the modification and the analytical result of the modification among the improvement report data stored in the storage unit in response to a request from any one of the terminals.