The document discusses new product development (NPD). It defines NPD as the process of bringing a new product to market and making changes to existing products. There are three main reasons for NPD: meeting changing consumer needs, making new profits, and combating threats. The NPD process involves idea generation, screening, testing, prototyping, market testing, and commercialization. The document also provides a case study on KFC introducing new products like chocolate brownies to expand its menu and attract more customers.