Porter's Five Forces model is a business tool that can be used to understand the competitive landscape of an industry. This tool can help businesses make better decisions about their strategies and tactics. Porter's Five Forces model is a framework for analyzing the competitive intensity within an industry, which includes five forces that are used to determine the competitive intensity and power of a particular industry. The framework was developed by Michael E. Porter in 1979. The five forces model was designed to help companies assess their position in relation to competitors, as well as identify potential areas where they could improve their competitive advantage or create new one if they are under threat from competitors.