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When using the characteristic, a restaurant can print a QR code out and depart it on a table. A customer would then scan the QR codes for business code, browse a menu, place their order, and pay from their phone. The restaurant would know what table placed the order, after which carry their food out when it’s ready. Square says the system is flexible, so a espresso store, for instance, may have a single QR code in its window that folks would scan and then wait for their drink.

As know-how developed, so did the velocity of manufacturing. Parts and bits whirred down conveyor belts and sped by way of factories with ever-growing velocity. The time it took for a traditional UPC barcode to scan wasn’t reducing it. It was high quality for grocery store checkouts in the 1970s, nevertheless it turned a significant bottleneck for 1990s manufacturing.

However because it turns out, QR codes were simply ahead of their time. It took awhile for smartphones to catch up, but today, you no longer want a separate app to scan QR codes. For instance, iPhones with iOS 11 (launched in 2017) or later can learn QR codes using just the standard camera app.