The document discusses different types of innovation. It defines innovation as the successful implementation of creative ideas within an organization. It notes that innovation involves both invention and commercialization of inventions. The document divides innovation into two broad categories: incremental innovation and disruptive innovation. Incremental innovation focuses on improving existing products and services through reducing costs and adding features. Disruptive innovation introduces new technologies that transform existing markets by creating new products and markets. The document provides examples of both incremental innovations by companies like Google and disruptive innovations that replaced existing technologies like digital photography replacing film. It also discusses sources of innovation and the process of social innovation.