Kevin Henrique · Jan 15, 2020 PayPay: how payment by app works in Japan How SoftBank and Yahoo's QR-code app quietly took over cashless payments in Japan.
Kevin Henrique · Jan 15, 2015 Cell Phones in Japan: Keitai, Smartphones, and Everyday Etiquette From clamshell keitai to mobile payments, the habits around phones in Japan tell a larger story about daily life.