Got side tracked on a long-ish but reasonable survey on e-cigs by the oregon research institute. Looks like the research is funded by NIH, and you get a $25 gift-card from amazon for taking it (if you're willing to provide name and address for them to mail it) . Course it still had a stoopid question about puff counting, but at least they also asked nicotine strength and mls used. https://www.e-cigstudy.com/
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