The Ultimate Nerdbait: How to Make Scannable QR Code Bar Code Street Art
Ever see those little barcode things that are showing up on billboards and magazines? The ones that look like this?

Well, this a tutorial on how to make street art stencils out of them. No smartphone toting nerd can resist the allure when they see one painted on the sidewalk they're walking on. They have to scan it.
Look at this! You can't not scan this when you walk by it on the street. I dare you.
This is how to do it:


