I love those useless statistics. My friend has run two different vape shops and always cites growth statistics. Back in 2012 he tried to impress me by saying that the market had tripled since the previous year. I chuckled and explained that this is easy to do when the product almost didn't exist before then. Is the first year since the introduction of any product always considered a trend? If I invented cigarettes and experimentally sold ONE in the first year because I didn't have a pack to sell, I don't get to claim a 20x year over year growth rate because I sold one pack the next year. Similarly, I don't get to claim an infinite growth rate over the year prior to introduction. It's meaningless.
It sounds scary that usage has tripled among kids, but it doesn't look like they differentiated between nicotine vaping and non-addictive vaping. Also, they didn't consider that it is an improvement versus those same kids smoking. Even the "first time" kids who never smoked are most likely kids who WOULD have been trying cigs otherwise. Way to spin a good thing as a bad thing, CNN.
I have never smoked nor vaped.