Mara Hvistendahl, Wired
IN 2015, WHEN Lazarus Liu moved home to China after studying logistics in the United Kingdom for three years, he quickly noticed that something had changed: Everyone paid for everything with their phones. At McDonald’s, the convenience store, even at mom-and-pop restaurants, his friends in Shanghai used mobile payments. Cash, Liu could see, had been largely replaced by two smartphone apps: Alipay and WeChat Pay. One day, at a vegetable market, he watched a woman his mother’s age pull out her phone to pay for her groceries. He decided to sign up.
Source: Real Clear Politics