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.

In fact, there are literally thousands of testimonials from ex-smokers as well as thousands of identified ex-smokers in surveys who testify that for them, e-cigarettes did work as a cessation aid. There is no legitimate scientific debate over whether e-cigarettes can work as a cessation aid. They can work, and they have worked for literally thousands of smokers.

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