To acquire and store information on customers and information on goods purchased at a real store in association with each other.A terminal information receiving unit that receives a terminal identifier for identifying a user terminal; a terminal information storage unit that stores terminal information having a terminal identifier and first time information in a storage unit; A purchase product information accumulation unit that accumulates purchase product information having shop purchase product information and second time information in a storage unit; a first information storage unit that stores first time information and second information And purchase activity management device comprising a correspondence addition that associates the terminal identifier with the store purchase item information in the case where the time information and the time information satisfy a predetermined condition, And the information of the product that has been made can be acquired in association with each other and stored.(FIG.
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