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Ravikiran Rao's avatar

Firstly, you have just reinvented the Miller number. 7+/-2 is the number of things that human being can hold in their working memory, according to a famous paper by psychologist George Miller. That's a more useful starting point for analysis than the Dunbar number. But this too is a wrong starting point. The Miller number is the number of independent things we can hold in our working memory. If you're a CEO, many of the metrics will be in long term memory. In addition, you can track many more numbers when they are systematically connected.

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