A hoverboard burst into flames, harming the person who bought it from a third-party seller on Amazon Marketplace and leading to a court case in which a California appeals court said Amazon can’t duck out on this one. “Bottom line: Amazon — and by extension other online retailers — isn’t just a bystander when someone purchases a third-party product. It’s a key part of the transaction. And it can be held accountable if that product turns out to be harmful.” – Los Angeles Times