WORLD · BUSINESS · TECH
April 20, 20212 min read, 442 words
Published: April 20, 2021 | 2 min read, 442 words
Hundreds of drones took over Shanghai’s night sky on Saturday with a light show that ended with a giant QR code, a symbol of China’s booming digital economy and consumerism. The QR code is ubiquitous across China, used for everything from adding friends on messaging apps to payi...