"This is a market solution to one of the biggest health crises we've ever seen in the history of the world," says Aaron Biebert, director of A Billion Lives, a documentary that makes the case that regulatory agencies and non-governmental organizations are engaged in a campaign of misinformation against e-cigarettes. "It's disturbing to me that something that's working is being demonized."

Interview by Zach Weissmueller. Music by Chris Zabriskie.