Five Numbers for Managers

From "The Economist" October 8th 2022 pp65 "Bartleby The Magic Formula Five numbers for managers everywhere to remember" Read "The Economist" for all the details. The very brief summary here of the five numbers is; Zero "Doing nothing can be the most valuable thing a manager can do...", One "This is the number of bosses people should have...", Three "...[the]...optimal number of claims that marketers should make for their products and services in promotional messages.", Ten "The [maximum] number of people who should be in a meeting..." note too "efficiency of online meetings declines steadily as the number of participants [increase]". 150 "...the number of stable social connections a human can have..." (Image above from