Personal oral vaporizers for smokers and electronic cigarettes, and flavourings and solutions therefor; oral vaporizers for smokers; electronic cigarettes; disposable electronic cigarettes; holders for electronic cigarettes; smokeless cigarette vaporizer pipes; cigarette filters; mouthpieces for cigarettes; electronic cigarette cases; electronic cigarette boxes; electronic cigarette cleaners; electronic cigarette cartomizers; cartridges for electronic cigarettes; cartridges sold filled with chemical flavorings in liquid form for electronic cigarettes; smoking sets for electronic cigarettes; electronic cigarette liquid (e-liquid) comprised of vegetable glycerin; electronic cigarette liquid (e-liquid) comprised of propylene glycol; electronic cigarette liquid (e-liquid) comprised of flavorings in liquid form used to refill electronic cigarette cartridges; smokers' articles