“We made a big bet on QR codes early on,” Teo said. “We saw that QR code readers had been embedded into the iPhone camera about three months before we launched, so we took that as a signal they would become more widely used. Obviously QR codes are now commonplace and the past couple of years has saved us years of consumer education and any hesitation around them.”

https://techcrunch.com/2021/11/29/melbourne-based-mobile-ordering-platform-mr-yum-lands-65m-led-by-tiger-global/