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YouTube has become a vast repository of not only video content, but also of rich information about the reactions of viewers and relationships among users. This meta-data offers novel ways for public health researchers to increase their understanding of, and ultimately to more effectively shape, people's attitudes and behaviors as both consumers and producers of health. We illustrate some of the possibilities here by showing how communities of videos, authors, subscribers and commenters can be extracted and analyzed. Tobacco use serves as a case study throughout.
Burton et al. (Sat,) studied this question.
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