Katie Couric's Notebook: Keeping Time

Time pieces have come a long way since 5,000 B.C.

Back then, a stick in the ground was a sufficient tool. Those sticks became a bit more sophisticated with the invention of the sundial.

The modern wrist watch wasn't introduced until the late nineteenth century. And now that timekeeper may soon join the others as a curious novelty more decorative than functional.

For the rest of my Notebook, just click the monitor.

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