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."
SUM at the Royal Opera House
SUM has been turned into an opera at the Royal Opera House in London (Composer: Max Richter, Director: Wayne McGregor). The London Evening Standard hails the opera as "immersive, meditative and sweetly fascinating". Read about the background of the collaboration in Wired.
SUM is Book of the Year: Chicago Tribune
SUM was chosen as the best book of 2009 by Chicago Tribune's Pulitzer-winning literary critic Julia Keller.