| 31. | Bar codes are even making the leap to popular culture.
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| 32. | The other is the machine that reads the bar code.
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| 33. | Letter-writers can stamp the bar code anywhere on an envelope.
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| 34. | TicketMaster helped outfit Los Angeles'Staples Center with bar code readers.
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| 35. | As Davis noted, bar codes cannot be placed in humans.
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| 36. | And what about that bar code tattooed in his armpit?
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| 37. | Bar codes allow computers to read and sort mail quickly.
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| 38. | Supermarkets and other industries quickly adopted the bar code model.
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| 39. | So do bar codes on the back of highway signs.
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| 40. | Think about supermarket cashiers using computers to scan bar codes.
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