Few people have heard of it, yet many consider John Blankenbaker's KENBAK-1 to be the first commercial personal computer.

Koss introduced these headphones over 40 years ago, and they remain affordable favorites to this day.

Nationwide Hunt For George Washington

About as much fun as you can have for a buck these days...

I got another "Where's George" dollar bill back in change the other day. If you haven't seen one, it's a dollar bill that has a rubber stamp or other marking on it encouraging you to log in at wheresgeorge.com. Once there you enter your bill's serial number and your location, and then you pop the money back into circulation to see where it turns up next. In many ways it reminds me of classic hobbies like sending messages tied to a balloon, or chess by mail. Something simple, interesting, and free that only takes a few moments to be part of.

It's interesting to see how far a bill can go - a researcher even used the Where's George stats to demonstrate how quickly diseases can travel through first-person contact. Eww. Still, it sounds like a great starting place for a school project, or just a few moments of diversion tracking bills that you've entered.

Of course it relies on people knowing there's a place to enter their serial numbers, so how best to get the word out? Rubber stamps like on my dollar? The practice of using the bills themselves as viral marketing is a definite U.S. Treasury Department no-no. But don't worry if you've already started marking up all the bills in your wallet. A spokesman for the Secret Service was quoted in The Seattle Times, "Quite frankly, we wouldn't spend too much looking into this."

Where's George homepage

Steel Penny from 1943

Elongated pennies
Tinplate ten dollar dime bank


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