Cybermetrics and Groundhog Day
Can you measure your popularity \u2013 or that of anyone or anything \u2013 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\u2019s weather forecasts, made famous by the Hollywood film Groundhog Day. This programme was originally broadcast on the BBC World Service.