Imagine an endless tape, pulled from the middle and wrapped around the outside. I have just described an eight-track.

They were a problem from the start but that old-school technology pales in comparison today. Gadgets are seldom without an occasional glitch, but Cornelia James in the Wall Street Journal says there is magic in rebooting – the act of turning something off and then back on. She says “rebooting” or “power cycling” has been a solution for years. Not to be confused with a factory reset, rebooting saves your preferences.

In the rental business, some problems can be solved in this ma...


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