Chart of the week: 40 years of technology

18 December 2020: Our last chart this year takes a look at how technology has advanced over the last forty years, using the number of transistors in central processing unit microprocessors as a proxy for technological advancement.

 As we look back over the course of a difficult year, the contribution of technology to keeping the economy working has become apparent. Working from home instead of the office, joining video calls instead of in-person meetings and collaborating using online tools have made it possible for most businesses to continue to operate, albeit perhaps not quite as normal. Similarly, consumers have been able to turn to online retail, streaming services and cashless technology to cope with closed stores and shuttered entertainment venues during lockdowns and tiered restrictions.

This has only been possible as a…

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