This lecture discusses strategies for firms operating under uncertainty. It explores whether firms should be first or fast followers in introducing new technologies. While being first offers advantages, following allows learning from others' mistakes. The lecture also presents game theory scenarios involving toothpaste and pizza companies to analyze strategic interactions and outcomes like Nash equilibriums. Disruptive technologies and dominant/dominated strategies are discussed. Overall, the lecture examines strategic decision making for firms in uncertain environments using concepts from readings and examples.