@BillGates: What keeps Melinda and me optimistic about the world? Our belief in the power of innovation to redefine what’s possible and in the ability of young people to drive economic growth and social progress: https://t.co/I44p6LmwDj #Goalkeepers18 https://t.co/dFdJgGRzql

http://twitter.com/BillGates

What keeps Melinda and me optimistic about the world? Our belief in the power of innovation to redefine what’s possible and in the ability of young people to drive economic growth and social progress: https://t.co/I44p6LmwDj #Goalkeepers18 pic.twitter.com/dFdJgGRzql

— Bill Gates (@BillGates) September 18, 2018