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“Think of technological change this way. Even if you time-travelled back to 1980 with your modern salary, and found yourself far richer than most people, you still could not find wheeled suitcases, mobile-phone signals, hepatitis C vaccines or decaf mocha lattes on the high street. Likewise, time-travel forward to a prosperous 2040 without a wage increase and you might find yourself relatively poor. But think of the products you could find there, some of them supplied by newly rich and inventive Africans. Other people getting rich means other people working to invent things for you.” ~ Matt Ridley from “The Rational Optimist”

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