The document discusses the history and key concepts of Web 2.0 and social web technologies. It introduces the differences between Web 1.0 and Web 2.0, noting that Web 2.0 focuses on user-generated content and harnessing collective intelligence. The class will cover how social web technologies can improve productivity and develop social applications, and will discuss topics like folksonomy, tagging, mashups, geospatial web, semantic web, and blogs. Homework includes engaging with social media sites and resources related to the class topics.