haven't heard of electronic cigarettes but i guess its supposed to be similar to smoking but you can have it without nicotine. seems there is no proof its helps to quite smoking:
"Makers of electronic cigarettes are reporting strong growth in sales as anti-tobacco laws force European smokers into the cold streets, but campaigners say the device is undercutting health efforts.
Spain joined Sunday the ranks of countries that have outlawed smoking in enclosed public space after a wave of similar legislation across Europe.
For the makers of electronic cigarettes, which simulate the sensation of a cigarette and can contain nicotine, the traditionally heavy smoking nation marks a potentially lucrative market for their much-criticised product."
read more here: http://nz.entertainment.yahoo.com/news/article/-/8589186/sales-of-electr...