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January 18, 2017 09:30 am PST
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/6X-BaBlgW3E/how-long-would-it-take-a-pay-i.html
How long would it take a pay-it-forward chain to reach 7.4 billion people?
https://youtu.be/cBQ2e7KR9B0High school teacher Joe Howard (the guy who made the "How loud would it be if all of the cats in the world meowed at the same time?" video I posted a couple of weeks ago, is back. This time, he shows how to come up with a formula to determine how long would it take a pay-it-forward chain to reach 7.4 billion people
Many people are familiar with the concept of paying forward, but how quickly can it actually spread if we commit to it? This video calculates how many layers of pay it forward would need to happen successfully for the chain to reach everyone on the planet.
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/6X-BaBlgW3E/how-long-would-it-take-a-pay-i.html
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