Vaping Hamburg, Germany. 12th Dec, 2018. James Monsees (r) and Adam Bowen, founder of the e cigarette manufacturer "Juul", look into the photographer's camera at the Hotel Tortue. "Juul" is the market leader for PMI's smoke free products PMI Philip Morris International U.S. Vape Market Tops $2.67 Billion Tobacco Reporter Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports