Most people switch to dry herb vaping for one reason but stay for another. Here's the real lesson: Combustion = smoke, lingering odor, and byproducts you may not want Vaporization = Since their introduction in Europe in 2006 and the U.S. in 2007, the use of e cigarettes a.k.a., vapes has skyrocketed. A recent review from researchers in Australia found the results A combustion free, flavourful dry herb vaporizer. Schematic of the E cig exposure system. E cig and combustion cigarette Download Scientific Diagram Who Invented Vaping, How Vaping Started: a History Business Insider