Amazon will start rolling out its own version of QR codes, TechCrunch reports. Called SmileCodes, they function just like a typical QR code -- scan it with your phone and see where it leads -- but ...

QR code style markers — those lil’ barcode-looking boxes you’ll see on ads from time to time, meant to be scanned with your phone to launch some website or app — have yet to really find their footing ...

While some were already pros, grabbing items they wanted and leaving right away, many others were first-time visitors. Friendly employees in orange tops patiently instructed them to download the ...