Why on earth would you want to use your iPhone’s camera to scan a two-dimensional block-and-dot code? How could this possibly have a benefit worth the trouble? Why would Apple have any interest in building this in as an automatic feature within its Camera app?

Ask folks in China—and Japan, where advertisers, handset makers, and cell carriers pioneered 2D codes over 15 years ago. Apple says its listening to the Chinese market in adding 2D code scanning, but the benefits will be there for users worldwide.

Apple’s addition to iOS 11 will let you open URLs, add contacts, and even join Wi-Fi networks with just the Camera app plus a tap to confirm. While it’s common to ridicule QR codes, that was because of pure inconvenience. With ease, will usage grow?

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Why QR codes are important to iOS 11 and China