How tech companies can help combat the pandemic and reshape public health

Karen DeSalvo, the chief health officer at Google, explains the partnership between big tech and public health in slowing the spread of COVID-19 -- and discusses a new contact tracing technology recently rolled out by Google and Apple that aims to ease the burden on health workers and provide scientists critical time to create a vaccine. (This virtual conversation, hosted by current affairs curator Whitney Pennington Rodgers and head of TED Chris Anderson, was recorded on May 27, 2020.)