On Saturday night at a pink-lit bar in New Yorks Lower East Side, the musician Aaron David Ross took a moment away from DJing his own party to evangelize a bit. Cylindrical and silver, it looked much more like an expensive piece of jewelry than a replacement for analog cigarettes, a stark contrast to the tobacco-aping NJOYs whose recent advertising campaign has focused on their ability to look, taste, and feel just like a real cigarette. They looked pretty cool, which is a feat — a friend of Ross, Mat Dryhurst, had earlier relayed that when he started vaping, My wife said she wouldnt have sex with me if I did this in public.