Using tongs, Jim Moran sticks a long, thin piece of wire into the small but very hot fire of the blacksmith’s forge.
When he removes the metal, the tip is white hot.
Many supermarket shoppers depend on so-called loyalty cards for in-store discounts, but few of them realize a simple bar code scan could end up saving them much more than money. Increasingly, supermarket chains are relying on these programs to gather the information they need to contact customers almost instantaneously after a recall has been issued....
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