Daniel Dennett's new book "Intuition Pumps and Other Tools for Thinking", should be out in a few weeks but it already has some reviews. The book is about methods can we use to answer life's most fundamental questions. You can actually preview some of the chapters which stat by dealing with
As always Dennett offers insight and ideas that are debatable. A big topic here is a continuation of Dawkins' discussion of memes and how they obey some abstracted tenets of Darwinian Evolutions.
If you grant that words are" things" then we offer the possibility of consider memes some kinds of "things" also perhaps in a realm between physical things and symbolic thing. Well how about calling it a conceptual thing?
Intuition Pumps: http://www.barnesandnoble.com/w/intuition-pumps-and-other-tools-for-thinking-daniel-c-dennett/1113141240