A lot of us are using apps and devices to get healthy. But these are just the beginning of a wave of technologies that promise to give our smartphones health superpowers. On this episode, we’re talking to Shyam Gollakota, an associate professor of computer science at the University of Washington. Shyam has been doing crazy things with smartphones and smart speakers like Alexa — turning them into sonar machines that can detect heart attacks, opioid overdoses or even something as simple as an ear infection. 

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