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Cybermetrics and Groundhog Day

Feb 17, 2012 · 9 min · 9.5 MB
0:00-9:55

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Can you measure your popularity – or that of anyone or anything – by the number of results that an internet search generates? Tim Harford points the finger at lazy journalists. Plus, a professor of economics assesses the accuracy of a groundhog’s weather forecasts, made famous by the Hollywood film Groundhog Day. This programme was originally broadcast on the BBC World Service.