Detailed text transcripts for TV channel - CNN - 20110310:07:58:00
Talk with doctors and scientists, so he invented a cancer app. >> reporter: marty is a stanford trained computer scientist who made millions during the dot com boom of the 90s. now he says he's building something far more significant. do you see this as the most valuable work you've ever done? >> by far. i come into work with a different feeling than i ever had in anything else i've ever done. i have a chance to save some lives today. >> reporter: the chance to save lives was a calling. after he nearly lost his own life to melanoma, the deadliest form of skin cancer. >> i had all the money in ...