Number of Vape and E cigarette Brands (Updated 2025) Yet Another Major E Cigarette Brand Acquired by Big Tobacco E Cigarette Reviews and Rankings FACT: Most e cigarette users also smoke cigarettes, a pattern known as dual use. This means the tobacco industry isn't helping people quit; it's sustaining addiction through another product. While the industry claims U.S. E cigarette & Vape Market Size And Share Report, 2030