There are several different ways QR codes can be used and the usage of the same has been increasing in the day-to-day lives. While the most advanced usage of this technology remains the payment system, several other apps have also started including QR codes. For instance, WhatsApp has added support for QR codes and users […]
source https://flizzyy.com/how-to-add-new-whatsapp-contact-using-qr-code/
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