Especially when it comes to security breaches done through fake quick response codes, or QR codes (crossword puzzle looking barcode scan-able by some smart phones), the iPhone is a lot safer, he says.
Equipped with a bar-code reader to scan New York registration stickers and synchronized with an atomic clock in Colorado, the devices make it almost impossible for an agent to make the kinds of errors Bolofsky depends on for appeals.
Both YottaMark and FoodLogiq offer systems that let shoppers type a text code into a mobile phone or home computer, or scan a bar-code using a phone's built-in camera, to find out when the tomatoes on the shelf were picked and which field they came from.