This document discusses innovation and provides definitions from various sources. It explains that innovation involves solving existing problems in new and better ways that create value for customers. The document outlines four main types of innovation: breakthrough, sustaining, disruptive, and research and development. It suggests areas where companies can innovate, including products, business models, customer engagement, and processes. The document advises product managers to determine if innovation is part of their role, review current practices, set an innovation agenda, get support, and be disciplined in their efforts to regularly deliver innovation.