Combining QR codes with business cards elevates both to the next ... it’s just a pattern of black and white squares. Even if it has a logo or a colorful design, it still requires context.

Google launches QR code feature for Business Profiles, making it easier to send customers directly to the review page. Google now offers QR codes that direct customers straight to business review ...

But Google had QR codes since 2009, I embedded a video of how slow it was to scan a QR code back then. Then in 2010, Google let you print your own QR code and then 2011 Google removed it.