You don't need your phone to open a QR code. You probably already know how to scan a QR code with your phone. It's simple enough: just open the camera app, point your phone at the code, and tap the ...

QR codes have now become a common feature in our daily lives and are appearing on almost everything from product packaging to ...

WhatsApp is the world's most popular instant messaging app, which is used for chatting, sharing media, and staying connected with friends, family, and colleagues. It has more than 3 billion users all ...