QR codes are popping up everywhere. They work kind of like UPC barcodes, but they are designed to be scanned by smartphones, bringing up a webpage.
It didn't take long for the younger set to start wearing them alongside their tribal tattoos. Apparently, there is a market for this new spin on body art. While they have a certain practicality as wearable business cards or permanent medic-alert bracelets, what happens when you change your phone number (or your prescriptions)?
I wonder how long it will take for some bible-thumping televangelist to start calling them the mark of the beast?