Before the sun rises, my mother opens a drawer and extracts several tablets from small bottles. They are a cool, dusty brown in color, and sit on the counter while she takes out her small mortar and pestle,...

You’ve probably never heard of Wecom before, but you’re probably familiar with its former name — Wechat work. Like Wechat, Wecom is a messaging platform created by Tencent Inc, a technology company...