"QR-ing" may be on a similar trajectory. Once an underdog of the tech world, QR codes are now a core tool for businesses across industries—not just in marketing but in operations, logistics ...

Whether you are paying at a local shop, scanning Aadhaar-linked services, or logging into WhatsApp Web, the QR code (Quick Response code) has become a daily necessity. This black-and-white matrix ...

He printed QR codes linked to his digital payment account, captioned with the phrase, “Donate Rs 10 for RCB Goodluck,” and posted them across city streets—on poles, walls, and street corners.