This document discusses how social networks and online interactions have developed over the past ten years and how the author has personally used social media. It notes that early websites focused on linking documents, then allowed more interaction, and are now rebuilt around people with social behavior as the key feature. The author shares how they initially just browsed the web but over time joined online groups, took online courses, started a blog and joined Twitter and YouTube. It explores how online identities can differ from real identities and questions if our online interactions provide "ambient intimacy" that we become addicted to.