1. The document discusses how industries are increasingly global and permeable, with blurred borders between nations, competitors, collaborators, and different industries.
2. Industries can be described in various ways like by the products/services, value, durability, or cyclical usage, but they are all becoming more global in characteristics.
3. The degree of globalization can be examined by factors like the trade ratio, percentage of overseas sales, and classification on a scale from multidomestic to fully global.