A profile of Liu Xiaoping, a dog food seller on Pinduoduo who coaches Chinese merchants on using legal action to fight Pinduoduo's refund-without-return policy (Viola Zhou/Rest of World)

Viola Zhou / Rest of World:
A profile of Liu Xiaoping, a dog food seller on Pinduoduo who coaches Chinese merchants on using legal action to fight Pinduoduo's refund-without-return policy  —  A dog food seller known as “Lawsuit Bro” is leading the fight.  — A dog food seller on Pinduoduo has emerged as an unlikely hero …