Following is invited commentary on the symposium "A Crystal Ball Look into the Future of..." delivered July 16, 2011, at the Poultry Science Association's 100th annual meeting, St. Louis, Missouri. The symposium examined various aspects that will impact the future of poultry production over the next 10 to 20 years. Topics included genetics, nutrition, incubation, and bird health. This paper deals with various aspects of future issues affecting global feeding and nutrition of poultry. [ABSTRACT FROM AUTHOR]