E-cigarettes are small devices that look like regular cigarettes. The principle of operation is that nicotin fluid is evaporated and a smoke-like mist is generated, however, it contains no tar. Thus they are free of tarry substances and health friendly. E-cigarettes can be used literally everywhere, including the public places. The exhaled smoke is just odorless water mist that bothers nobody.
With all their advantages, e-cigarettes are almost no different in taste from traditional cigarettes. However, as opposed to regular cigarettes, e-cigarettes offer a wide range of aromas. E-cigarette refills differ in flavour. It may correspond to flavour typical of popular traditional cigarette brands or comprise a unique taste.