In fact, the subjects had no idea that they were part of an experiment involving artificial manipulation of their news feed for the purposes of potential inducing happiness or sadness as part of a research study. This potential use of their Facebook account is simply not mentioned in the Data Use Policy. The policy states that the information provided by users may be used for research purposes. It also states that the information may be shared with outside vendors to conduct research. However, nowhere does the policy state that users agree to intentional manipulation by Facebook staff for research purposes.

First, he cites the JAMA Pediatrics article in which Glantz and Dutra conclude that electronic cigarettes are exaggerating, rather than ameliorating smoking among youth. Clive writes: "somehow you have managed to position this study as showing there is a gateway from e-cigarette use to smoking. NOTHING in the study or the underlying data suggests this. You would need information on how smoking, e-cigarette use and abstinence evolved over time to test these hypotheses, but your study does not have that."

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