This document discusses social networking and social workers. It begins by defining social networking as social structures made up of individuals or organizations connected by two-way relationships. It then defines social workers as people who help others without expectation of payment. The document provides examples of popular social networks like Facebook and explains basic functions. It also gives brief overviews of social networking services, the internet, email, and communication. Statistics about internet users in India are presented. The document concludes by listing references used.