This might seem like a little thing. But any New Jerseyan who regularly passed through Penn Station in NYC, okay even occasionally passed through Penn Station, knows that giant overhead train departure board in the center of the concourse. It's the one where you gathered to watch and as soon as your platform number appeared you'd do that mad dash to not be squeezed into someone's armpit as you descended to the train.

Add that giant departure board to the huge trash pile of technology history. Move over rotary dial phone. Make way rabbit ears. Out of the way typewriter. You have a newbie.

Penn Station will start taking it down Monday evening. In its place will be a series of LCD video boards all over the place. The idea is better technology and easing the crowding that happens in the center of the waiting area. I understand it. But I don't like it. That giant departure board that showed you which platform to make your mad run for was like an old friend. When I think of Penn Station, that board is what I picture.

It makes me nostalgic for all our lost technology. And with the pace of technology, you don't have to be old to feel this way. If you're in your late 30's, that means you were alive for the introduction of the compact disc. Now CDs are just about dead.

Payphones. A high beam button on the floor of a car you operated with your foot. Those pressure mats you had to step on to make the electronic door open at the grocery store. How many can you think of? I'm telling you, it can keep you up at night.

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