Both sides of the health care debate agree that the current system is rife with waste. Could a digital infrastructure solve the problem? "The technology for that transformation is already here, said Jonathan Richman, director of social media at the marketing agency Possible Worldwide and author of the health care blog Dose of Digital. Speaking March 13 at the South by Southwest music, film and interactive technology conference here, Richman detailed how smart data analysis could perform the seemingly contradictory tasks of improving patient health and improving the profits of pharma and insurance companies."