David appears regularly on NPR and BBC to discuss science. Listen to some recent appearances here:

David's iPad app "Why the Net Matters, or Six Ways to Avert the Collapse of Civilization" was recently called a "superbook" by the New York Times Magazine. For a taste of the argument, read David's article in WIRED or watch a video of his talk at the Long Now Foundation. Don't have an iPad? The manuscript is now available as an eBook.
Barnes and Noble selected SUM as one of the Best Books of the Year.
Click here to watch David's talk on possibilianism at PopTech. Executive director Andrew Zolli wrote: "This is one of the best talks ever at PopTech. Everyone should watch this."