Retail store services featuring electronic cigarettes, electronic cigarette refill cartridges sold empty, cartomizers, namely, combination electronic cigarette refill cartridges sold empty and atomizers, sold as a component of electronic cigarettes, cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes, chemical flavorings in liquid form used to refill electronic cigarette cartridges, and electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form used to refill electronic cigarette cartridges