In their Policy Forum “The parable of Google Flu: Traps in big data analysis” (14 March, p. [1203][1]), D. Lazer et al. remark upon recent failures of Google Flu Trends (GFT) and cast these as limitations of big data analysis in general. However, many of these limitations have been overcome by
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Broniatowski et al. (2014) studied this question.
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