QR codes were one of the biggest comeback stories of the Covid-19 pandemic. According to Engine Insights, 76% of people have used them in the last two years, and 58% have grown more comfortable with using them since March 2020. The humble piece of tech has popped up everywhere from Super Bowl ads to restaurant…

(SOURCE) https://www.adweek.com/brand-marketing/germany-johanniter-unfall-hilfe-lifesaving-qr-code/