Health: The Tricorder X price will be announced this year. There will be companies who will build a medical device (called the "Tricorder" from Star Trek) that works with you phone, which takes your retina scan, you blood sample and you breathe into it. It then analyses 54 biomarkers that will identify nearly any disease. It will be cheap, so in a few years, everyone on this planet will have access to world-class medicine, nearly for free.

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