Many non-smokers are allergic to the smell of cigarettes. Thus, you can see offices and hotel having smoke free areas incorporated. In some countries there is a rule that smokers should not smoke in public places, which may be disturbing to non-smokers and also to avoid any fire accidents. Many do not like the smell of cigarettes. But when you smoke an e-cigarette it does not give out any smell or produce smoke. This is because, when you smoke an e-cigarette only the vapor is inhaled and exhaled and thus you do not observe any smoke emitting. The vapor also vanishes in seconds. The electronic cigarette reviews claim that the e-cigarettes almost taste like traditional cigarettes and remain odorless, cost effective and trouble free. They are believed to provide a sensation of smoking without the burning smell of tobacco. You also get different flavors of nicotine that do not let the non-smokers to move away from you.