I think it's better to say that "for most people there is a better alternative" than to say that pie charts should never be used. EDIT: If you are showing who

I think it's better to say that "for most people there is a better alternative" than to say that pie charts should never be used. EDIT: If you are showing who ate which parts of a pizza (to be pedantic) I'm sure a pie chart may be the best case solution. My favourite use of pie charts is to compare the harmonic series and the series 1/x^2, but then again this latter example is not really a traditional pie chart.