Christian Crumlish has been designing and writing about shared information spaces since 1994. He is the curator of the Yahoo! pattern library and is director of technology for the Information Architecture Institute. He studied philosophy at Princeton and painting at the San Francisco School of Art. He is the author of, most recently, The Power of Many: How the Living Web is Transforming Politics, Business, and Everday Life (Wiley, 2004), and he is working a book about online presence and identity, tentatively titled Presence of Mind. He lives in Oakland, California, with his wife, Briggs, and his cat, Fraidy.