So here’s the deal: You get a package in the mail, and you’re thinking, “Wait, I didn’t order anything. Maybe someone sent me a surprise!” You tear it open, and inside, there’s a QR codeA QR code, or Quick Response code, is a two-dimensional barcode that contains information encoded wi… More with the package. It’s tempting – it looks like the code may unlock a free gift or a warranty. But here’s the kicker: the moment you scan that QR codeA QR code, or Quick Response code, is a two-dimensional barcode…