The document discusses the emergence of social computing and how interactions and relationships between people are driving business. It outlines how transactions in 1985 focused on accuracy, processes in 1995 focused on efficiency, and social in 2005 focused on emotion. The future of computing is moving from internal to external functionality and from efficiency to emotional experiences. Communities are important as they provide feelings of membership, influence, and fulfillment through shared connections. Doing business is essentially another form of social interaction.