| 摘要 |
A system in which a user collects information about a product, by employing a handset of a cellular network, e.g. by taking a picture of a barcode on the product, to facilitate a purchasing transaction over a network based service. The information relating to the product is sent to an application server, together with information about the user of the handset. Further on, a clearance facility either approves of the transaction or requests a final authorization by the user before approving.
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