| 21. | For two decades _ from the 1950s to the early'70s _ America was stuck on trading stamps.
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| 22. | And furthermore, trading stamp links to half a dozen different articles on different brands of trading stamps.
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| 23. | Ralph Burger attempted to reverse downward tonnage figures by reintroducing trading stamps, creating A & P's Plaid Stamps.
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| 24. | The trading stamp craze quickly faded.
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| 25. | In 1969, singer James Brown lent his name and face to Black and Brown trading stamps of San Francisco.
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| 26. | Following World War II the use of trading stamps expanded when supermarkets began issuing them as a customer incentive.
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| 27. | The economics of trading points differ little from the trading stamps of 50 years ago, despite the cyberspace makeover.
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| 28. | At the peak of trading stamp popularity in the mid-1960s, most gas stations and supermarkets were offering them to shoppers.
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| 29. | Carlson was the first entrepreneur to develop a loyalty program for the grocery chain through the issuance of trading stamps.
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| 30. | These stores'sales quadrupled from 1960 to 1968; in the only down year, 1965, it dropped trading stamps to reduce costs.
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