The total spending on healthcare in the US in 2014 was estimated to be over $3 trillion dollars, and according to the CDC, more than 75% of our health care spending is on people with chronic conditions. Stephanie's startup Vida says their vision is to use technology to connect people to provide "continuous, connected and collaborative healthcare that drives better outcomes at a lower cost." Stephanie led the development of google wallet and the growth of Paypal. I wanted to know... will she transform access to healthcare as much as she changed how we pay for things? Listen to the conversation, or read the edited and condensed Q&A in Fortune.com.