| 摘要 |
A novel method for obtaining transaction information includes receiving a first transaction record including data indicative of one or more products purchased by a first purchaser from a first merchant, storing the data included in the first record, receiving a second transaction record including electronic data indicative of one or more products purchased by the purchaser from a second merchant, storing the data included in the second record, and providing the first purchaser access to the first transaction record and the said second transaction record. The method is performed on a handheld device which is carried by the first purchaser. A point-of-sale system is also disclosed and includes: a processing unit, a product interface operative to receive product, memory operative to store a first transaction record, and a transaction record interface operative to output electronic data indicative of the first transaction record.
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