I posted an interesting chart from a research paper on innovation multipliers by Vanguard showing the many ideas that went into the development of a smart-phone. The below chart from that paper shows that tech innovations do not result in an immediate boost to productivity. It takes years or even decades before innovations are widely embraced by the population to increase productivity. The authors explain this logic using the examples of the light bulb, telephone and computer.

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Source: Megatrends – The Idea Multiplier: An acceleration in innovation is coming, Vanguard