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."

Wow! That is truly a life-saving announcement.

In other words, while the policy allows Facebook to collect and use user information for research purposes, it does not allow Facebook to conduct interventions in which it manipulates feeds shared with users in order to try to control their emotions as part of a research experiment.

I can't add anything to this fine piece, so I'll leave it for readers to examine. I'll just close with the final paragraph of Newman's piece, which summarizes the situation incisively:

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