What Is a QR Code, and Why Are They Everywhere? Share April 21, 2023 Dm4r Technology You’ve probably seen QR codes—those black and white boxes with small squares arranged in seemingly random patterns. It’s not unusual to see a QR code pop up somewhere in your daily life anymore. What’s the story behind them? Read This Article on How-To Geek › Source : What Is a QR Code, and Why Are They Everywhere?
