Several decades ago before the development of supermarkets, people shopped at small neighbourhood grocery stores. The grocery storeowner knew their name, what brands they preferred, and when they were most likely to purchase what product. What do large supermarket chains have today to supply them with similar types of information?

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The Answer of Several decades ago before the development of supermarkets, people shopped at small neighbourhood grocery stores. The grocery storeowner knew their name, what brands they preferred, and when they were most likely to purchase what product. What do large supermarket chains have today to supply them with similar types of information?

Several Decades Ago Before the Development of Supermarkets, People Shopped