| http://www.w3.org/ns/prov#value | - in the door? >> no, i come less than before. >> reporter: the professor says he is because the no sale strategy only works for a couple of specific types of stores. >> if you are involved in anything other than general merchandise and groceries, unless you have a very unique product set that is so unique that no one he is has it, dealing becomes necessary. >> reporter: the store's decision to dit
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