Well, the huge conveniences: In the electrochemical cigarette have no tobacco leaves are burned to release nicotine. Instead vaporizes a small heater, an unique nicotine solution, which is likewise known as e-liquid or e-liquid (hence the label e cigarette). This vapor passes into the lungs, the nicotine is taken in. You acquire the sensation as if you smoke normally, in reality it is just 'vaporize.