The actual study: http://www.sciencemag.org/content/343/6176/1203 http://www.sciencemag.org/content/343/6176/1203 Gist of it is, Google Trends overestimated fl

The actual study: http://www.sciencemag.org/content/343/6176/1203 http://www.sciencemag.org/content/343/6176/1203 Gist of it is, Google Trends overestimated flu cases by about double for 100 out of 108 weeks, according to the paper. Edit: There is actually an interesting podcast available on it without a paywall: http://podcasts.aaas.org/science_podcast/SciencePodcast_140314.mp3 http://podcasts.aaas.org/science_podcast/SciencePodcast_1403...