The RuToo electronic cigarette constitutes a world revolution when it comes to smoking. The RuToo e-cigarette is an alternative to normal cigarettes and does not cause cancer, because it does not release harmful substances such as tar and carbon monoxide. This is however a hazard when smoking normal cigarettes. The addictive and calming substance nicotine is the only active substance in the RuToo e-cigarette. Stopping smoking normal cigarettes is made easier, precisely because the RuToo e-cigarette contains nicotine. The RuToo cigarette does not burn, which means that there is no fire risk and people in your immediate vicinity are not troubled by unpleasant smells, smoke or harmful substances. For that reason, you may also use the RuToo e-cigarette in places where smoking is prohibited. Moreover, smoking the RuToo e-cigarette is cheaper than smoking a normal cigarette, as proved in this calculation. The RuToo e-cigarette consists of three parts: The battery, the cartridge and the atomizer.