The document discusses the rise of social networking sites and their impact on communication. It provides background on early social networking sites like MySpace and Facebook. People began using these sites to fulfill various social needs, like forming relationships, belonging to groups, and satisfying curiosity about others. This led to their rapid growth and popularity. The sites transformed how people communicate by allowing them to connect with friends and family across distances. Today, social media continues to revolutionize communication and play a major role in peoples' social lives.