Tom's guest in this episode is Sherif Hanna — Senior Director for platform integration at Truepic, a California startup company that is now grappling with one of the more vexing problems of our time - namely how to authenticate digital imagery so that viewers of the image know that it has been seen and rendered as the photographer intended and that it accurately reflects what the photographer saw at the moment of image capture. You can learn more about Truepic here.