| http://www.w3.org/ns/prov#value | - As shown by way of example in FIG. 12, one or a plurality of user terminals 120, a carrier server 130 managed and maintained by a telecommunications service provider, one or a plurality of manufacturer terminals 140, one or a plurality of cellular phones 110, and a coupon service server 150, are connected to or can be connected to a network 100 such as the Internet.
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