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| unique customer (A customer who may visit a Web site several times within a certain timeframe, but is counted only once); distinct customer (A customer who may visit a Web site several times within a certain timeframe, but is counted only once) | |||
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| unique customer (A customer who may visit a Web site several times within a certain timeframe, but is counted only once); distinct customer (A customer who may visit a Web site several times within a certain timeframe, but is counted only once) | |||
