Dinosaurs are a great example for companies worried about being disrupted. There have been 5 mass extinctions in the history of our planet. In between them there have been many extinction of species during ice ages and other changes in Earth’s history. During these extinctions any species of a certain size usually die out. Many large animals are built to last extreme changes but not necessarily the rapid ones. In the last mass extinction all the dinosaurs that were 50 pounds or less survived. Everything bigger than that died out. The smallest ones needed less resources to survive. When it’s winter, bigger is better. In a period of rapid changes smaller is better.