QR codes. Those little square zig zag's of black and white squares that resemble a UPC symbol. You can attach them to anything!! I wanted to play around, so I created one just for this blog ...
Go ahead, I dare you, break out your QR Scanner Application and scan it. Yep, You're going straight to my blog again...cool huh!!??
And the best part is, you can create a QR code for *just* about anything!! Now I'm not saying the older people going for yard sale's would understand them, but I think it'd be pretty interesting to put out a sign on Saturday morning with just a QR code and see how many people show up telling you they were directed to your yard sale because of the code!!
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