When e cigarettes first hit the market in the United States around 2007, they were advertised as a cool, safer alternative to cigarette smoking. Seven years later, the product became the most commonly USA: Tobacco Products Tobacco Insider E cigarette Unit Sales, by Product and Flavor Type United States, 20142020 MMWR Vaping Taxes by State, 2026 E Cigarette and Vape Tax Rates U.S. E Cigarette Market Growth & Share Forecast 2030