Today I Found Out

How Do the Media and Police Estimate Crowd Sizes? (2019x209)

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Check my other channel Highlight History: https://www.youtube.com/channel/UCnb-V→→Subscribe for new videos every day! https://www.youtube.com/user/TodayIFoundOut?sub_confirmation=1 Follow Simon on social media: https://twitter.com/SimonWhistler https://www.instagram.com/simonwhistler/ Never run out of things to say at the water cooler with TodayIFoundOut! Brand new videos 7 days a week! More from TodayIFoundOut: Who Invented the Food Pyramid and Why You'd Be Crazy to Follow It https://youtu.be/-PBf58Molvc The Curious Case of the "Law of the Tongue" https://youtu.be/jvycCQCqI7A In this video: Although the task of determining how many people attend something as large as say, a political rally or a protest may seem like a daunting, almost impossible undertaking to do with any accuracy, with some basic information, it’s actually not that difficult to get reasonably accurate results. The most well-known method of estimating the size of a given crowd is simply called “The Jacobs’ Method” as an ode to its inventor, Herbert Jacobs. Jacobs spent a few decades working for the Milwaukee Journal before retiring into teaching journalism at the University of California, Berkeley in the 1960s. He thought up his very simple crowd size estimate method after observing numerous Vietnam War protests outside of his office window. Want the text version?: http://www.todayifoundout.com/index.php/2014/11/news-police-like-estimate-crowd-size-parade-protest-like/ Sources: http://onlinelibrary.wiley.com/doi/10.1029/98WR00008/abstract;jsessionid=4F5139BB31B81C9CCFF5EEC74BE0E85E.f02t04 http://www.bbc.co.uk/news/magazine-12879582 http://www.salon.com/2003/01/24/crowds/ http://www.popularmechanics.com/science/the-curious-science-of-counting-a-crowd http://www.bbc.co.uk/news/magazine-23312656 http://www.washingtoncitypaper.com/articles/36682/the-3-to-5-million-man-march http://www.gpo.gov/fdsys/pkg/CRPT-104hrpt625/pdf/CRPT-104hrpt625.pdf http://www.nbcnew