Masahiro Hara dreamed up the matrix-style barcode design for use in Japanese automobile manufacturing. It took off as people began using it in ways he hadnt imagined. Now, people plaster QR codes on everything from posters to login confirmation screens. Theyre hugely popular in China, where people used them to make over $1.65 trillion in payments in 2016 alone. Apple even began supporting them natively in iOS 11s camera app, removing the need for third-party QR scanning apps.”]
Source: https://nakedsecurity.sophos.com/2019/09/04/qr-codes-need-security-revamp-says-creator/