A Motely Fool article, but looks pretty interesting.
"Its biggest findings revolve around those who actually do partake in e-cigs:
47.6% of current smokers had tried e-cigs
55.4% of smokers who had quit had used e-cigs"
Did the CDC Just Save the Electronic Cigarette Industry? -- The Motley Fool
"Its biggest findings revolve around those who actually do partake in e-cigs:
47.6% of current smokers had tried e-cigs
55.4% of smokers who had quit had used e-cigs"
Did the CDC Just Save the Electronic Cigarette Industry? -- The Motley Fool