One of the next big things was Radio-frequency identification (RFID) contactless payment technology, which was said to provide a simple method of payment that could reduce time spent in checkout lines.

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The next time you are at the supermarket checkout, say no to your loaf of bread being put into another plastic bag.

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Every time you set one down at the checkout stand, chances are you are leaving some critters behind for the next bag to pick up.

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