RT @DanielPink: Has the world been getting better or worse? @MaxCRoser has the answer -- in charts. Happy New Year.… https://t.co/CpW7Uk3KYI

Has the world been getting better or worse? @MaxCRoser has the answer -- in charts. Happy New Year. https://t.co/Iys01Uvt4P http://pic.twitter.com/UIZGYH4wrb

— Daniel Pink (@DanielPink) December 30, 2016

from Twitter https://twitter.com/DouglasHAllen