Harvard Business School Professor Michael Luca shares his findings about negotiation in the online marketplace with Agility at Work: One Step Ahead. The good news—most of the time—is that strangers, often miles apart, can nevertheless trust one another to deliver what they promise. Much of that is due to transparency. But there is a downside, too: transparency can lead to discrimination, conscious or otherwise. Luca describes how one company—Airbnb—struggled with that dilemma.