The document discusses LinkedIn Sales Navigator, a tool that helps sales teams leverage their professional networks and information on LinkedIn to more effectively engage with potential customers. It provides an overview of LinkedIn as the world's largest professional network with over 277 million users worldwide. It then discusses how business buyers have changed and are now more influenced by social interactions, and defines social selling as leveraging one's professional brand to generate new business opportunities. The document introduces LinkedIn Sales Navigator as a tool to help frontline sales teams by providing features like lead generation, advanced searching and filtering of profiles, tracking who has viewed a profile, accessing 3rd degree connections, and sending in-mail messages. It also describes the LinkedIn Social Selling Index