Most papers in this volume come from the 3rd Online Consciousness Conference, which was held February 18–March 4 2011. While the original papers, presentation materials, and discussion, both from this and previous conferences, remain online at http://consciousnessonline.com, most papers have been extensively revised in light of the discussion at the conference. In addition, commentators provided new commentaries and in most cases the author provides a new response. What emerges from this are conversations that are highly integrated. This makes the contents of this volume more of a product of the online consciousness conference than a snapshot of what happened.