What does the conviction of Theranos founder Elizabeth Holmes tell us about tech startup culture? The BBC's James Clayton is joined by NPR tech reporter Bobby Allyn to ask if any lessons are being learned by Silicon Valley, where startups are encouraged to promise world-changing technology, and investors demand sky-high valuations. We discuss the impact of the Theranos scandal with one of the whistleblowers involved, the venture capital companies funding exciting new tech companies, and the biotech startups who say blood testing technology still has a bright future.

(Photo: Theranos founder Elizabeth Holmes arriving in court in November, Credit: Getty Images)