“‘If you’ve never smoked, and you try Juul for a few days, this is a recipe for addiction,’ says Peyton, who calls Juul a double-edged sword. ‘You could make someone addicted who’s never been a smoker — or, for someone who is addicted to nicotine, this could be a way to get off of cigarettes.'” So what is Juul? A new and promising way to kick the smoking habit? Or a gateway to get millions of new, young customers addicted to nicotine? Well, here’s a hint: The private investment market currently values the company at $16 billion.

+ Here’s another hint: Cigarette companies are racing to launch a vaping product to compete with Juul.