Just come across this article about some research Vapourlites have done with some pretty impressive figures. I like how they've used the results to argue in support of vaping and point out the anti-vaping trash. Good read and good news!
http://www.vapourlites.com/blog/vaping-the-victim-of-its-own-success.html
http://www.vapourlites.com/blog/vaping-the-victim-of-its-own-success.html