Lately I hear a lot of people talking very "knowledgeably" about the quality of scanner data. These people lament with absolute certainty, "If we could just disable the multiply key!" I feel compelled to set the record straight. The multiply key is probably 5% of the problem with scan data. Let's look at the reasons why they multiply: because products don't scan, because one of a group of similar products isn't on the file or has an incorrect price, and because they believe it's more ...

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