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Michael Herf is the creator of f.lux, a software program used by over 10 million people that adjusts computer screens to help people wind down at night. Over the past six years, he has worked to model how the screens and light people see at different times of day affect sleep and health. With f.lux, Michael has shown a way to use software that works to support human rhythms and biology. Previously he co-founded Picasa (as CTO), and continued as its Engineering Manager after acquisition by Google. He spent his early years in the technology industry developing software for MetaCreations, Idealab! and Microsoft. He lives in Los Angeles with his family.