Electronic cigars and cigarettes have made their way from China to the U.S., where they're being touted as a legal way to smoke in a smoke free environment. Now if their origin doesn't exactly instill confidence in their safety... keep in mind, while legal, there is little or no research into the health affects of sucking on these expensive "smoke free" smokes.
Here's what the company has to say about it:
http://www.ruyanamerica.com/Page.cfm?Page=Home