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Conventional vaccine testing is a slow, years-long process. As thousands of people continue to die each day from COVID-19, bioethicist Nir Eyal proposes a radical idea that could dramatically accelerate the vaccine development timeline: "human challenge trials," in which scientists would deliberately expose volunteers to the virus to more quickly determine a vaccine's efficacy. (This virtual conversation, hosted by head of TED Chris Anderson, was recorded June 15, 2020.)
About 40% of what you do, day in and day out, is done purely out of habit. Nir Eyal decodes how technology companies -- the masters of "habit-forming" products -- design the tech products we can't put down. But it isn't all negative manipulation, he says. It can and should be used for good.