(Slightly off topic) I know there are a lot of startups doing a physical-internet crossover similar to QRCode, but they read bar codes instead. The only issue I

(Slightly off topic) I know there are a lot of startups doing a physical-internet crossover similar to QRCode, but they read bar codes instead. The only issue I see with this is that not every item has a bar code (i.e. clothes) and it requires the cooperation of both online and brick-and-mortar stores. Augmented reality for physical shopping anyone? Stick RFID/bluetooth emitters in the security-ink devices, stick the security devices to the clothes, and then pull out your phone to get relevant information.