disconj writes: With the 40th anniversary of the release of Dungeons & Dragons coming up this weekend, the Internet is ablaze with reflections on its legacy. Dave Ewalt gives an intro for the uninitiated. Ethan Gilsdorf explains how "all I need to know about life I learned from 'Dungeons & Dragons.'" Jon Peterson presents a video show-and-tell of rare artifacts from D&D's development. How did D&D change your life, and what will you be doing to celebrate this Sunday?