On this week’s Tech Nation, Moira speaks with Cary McClelland about the significant impact of technology on San Francisco – which may be coming to your city, if it hasn’t already. Cary’s book is “Silicon City: San Francisco in the Long Shadow of the Valley”. Then on Tech Nation Health, a potential new treatment for Proteus Syndrome, best known to you from the movie, The Elephant Man. It may also deliver benefits for endometrial cancer. Dr. Brian Schwartz is the Chief Medical Officer of Arqule.