Juul, the vape device teens are getting hooked on, explained Vox Arrival of 'Apple of vaping' raises fears a generation will be hooked What Happened To Juul Founders Adam Bowen And James Monsees? Juul Pitches Locked E Cigarette in Bid to Stay on U.S. Market WSJ Vox takes a look at what's fueling the popularity of Juul e cigarettes among kids. One reason: It delivers a powerful hit of nicotine. According to one young user, After about a week,