how many hops does it take? [closed]

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Im searching for information on an experiment where it was determined how many hops it would take for a message to theoretically reach everyone on Earth (i.e. 8 billion). So if every reciever would forward the messae to X contacts, it would take Y hops to reach the earths population. I only can remember that Y was suprisingly low, and X was not high either.

Can any help me with the name of the experiment or any more information?

Thanks

Answer 1

Maybe this Wikipedia article about the six degrees of separation will answer your question: https://en.wikipedia.org/wiki/Six_degrees_of_separation