The troubling implications of a 'human stock market' Today's best articles Daily business briefing Solving COVID newsletter Sponsored content has long been a moneymaker for online influencers. It's pretty simple: Do a little dance video, pose your cute kid in his wardrobe of neutral linens and cashmere, write up a quick caption about how this product, like, totally changed my life, you guys! Get likes; get paid. But how often can one work oneself up to gush about detergent or protein shakes or a fast-fashion item locked, since the moment of its likely unethical manufacture, in a race of mate...