Twitter “Why Pie Charts are Better Than Bar Charts” https://t.co/ZF3NWWlRle @GreenBook #MRX https://t.co/9zDf7OQqh3 “Why Pie Charts are Better Than Bar Charts” https://t.co/ZF3NWWlRle @GreenBook #MRX https://t.co/9zDf7OQqh3 Mar 17, 2017 1 #MRX