top ten electronic cig

By now, you've probably seen them being smoked on the subway or in a bar -- those shiny, futuristic, battery-operated nicotine inhalers better know as electronic cigarettes that are apparently all the rage these days. Big Tobacco companies have taken notice, too, and are determined to cash in on the industry, which is expected to bring in $1.7 billion in U.S.

The electronic cigarette was introduced to the U.S. market in 2007 and offers the nicotine-addicted an alternative to smoking tobacco. Most "e-cigs" are similar enough in appearance to be mistaken for regular cigarettes, but one look inside and you'll see the main difference: E-cigarettes don't contain tobacco.

Some people see them as a safer alternative to smoking. Some people use them as an aid to quitting. But the jury is still out on e-cigarettes, as far as the Food and Drug Administration is concerned. "Consumers of e-cigarette products currently have no way of knowing whether e-cigarettes are safe ...