That considering the attendant circumstances which you say whether the user who and being together, being the attendant circumstances utilization device which offers equipment function or the contents which is optimum to the particular user, the incidental person information which it shows whether the user who and it is together (incidental person ID) the incidental person ID sensing station which is detected (101) with, the equipment operation sensing station which detects equipment operation (103) with it has. The incidental person ID database (102), the operation past record database (104) relation acquiring the past record of equipment operation at the respective detection time, it accumulates the past record of incidental person ID. Being together incidental person ID and the incidental person ID database which are detected anew the incidental person ID sensing station (101) by (102) past record and the operation past record database of incidental person ID (104) equipment operation past record when on the basis of, the user in the present incidental person and the past, the attendant circumstances dependence operation conduct judgment section (105) being similar, it judges the equipment operation conduct which is peculiar. The functional contents offer section (106) offers equipment function or the contents which responds to particular peculiar equipment operation conduct, to the user.
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