But these are still solvable requirements: make the labor market more fluid, allow people to expose their skills development more publicly, teach people to package their business experience better, make people better developers of their own narrative, better managers of their core problem solving skills rather than their exact implementation skills, accept we are constantly in beta mode, and teach people, quickly, to function in conditions of unprecedented uncertainty.

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Put the two facts together, and the result is that many companies accept e-mail as an almost exclusive mode of communication between employees.

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For the occasion, most of Barcelona's taxi cabs have been outfitted with terminals that let them accept a "tap" from a phone as a mode of payment.

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