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One of the key technologies driving WeChat’s success in the O2O ecosystem is the QR code. This article explores how WeChat leverages QR codes to enable O2O integration, creating seamless interactions between online and offline services, and transforming consumer experiences across industries.

Amid rapid technological advancements and evolving passenger expectations, SIA has embraced digital tools, including QR codes, to enhance its operational efficiency and customer experience.

For McDonald’s, the adoption of QR codes represented a strategic move to integrate technology into its customer service model. This initiative aligned with the company’s broader goals of digital transformation and improving customer convenience.