BUILDING INSIDE INFORMATION PROVIDING METHOD, DEVICE FOR IT, AND ELEVATOR DEVICE

摘要

PROBLEM TO BE SOLVED: To surely grasp an effect of information display such as an advertisement effect. SOLUTION: For comprehension of the advertisement effect, user's behavior directly concerned to purchase and the like of a commodity is measured. An advertisement is put on display parts 911 and 921 of information display devices 91 and 92 in the form available for download to cellular phones 101 and 102 and the like held by users 51 and 52. If the user viewing the advertisement shows interest in it, the user downloads the advertisement, and on the basis of the downloaded advertisement, the user purchases a commodity/service. If the advertisement is downloaded and the service is received, the data are collected to be summarized in an integrating device 1 through networks 7 and 6 or from a service center 11. The summarized result is provided to an advertiser 13 as data representing behavior directly related to purchase of the commodity/service.