The document discusses how the COVID-19 pandemic accelerated the adoption of QR codes in various industries, transforming customer behavior and improving business operations. Companies leverage QR codes for tracking analytics, facilitating contactless payments, and enhancing customer experiences, with a significant increase in their use since the pandemic. QR codes are now essential tools for businesses to gather first-party data and streamline processes, as highlighted by Ikea’s implementation of QR-based mobile check-out options.