What is the mystery behind Seven Digit USA Phone Numbers?

Yet another fabulous insight provided by Carmine Gallo in his best selling book The Storyteller’s Secret, illuminates us on the quirk of seven digit USA phone numbers.

Since human memory has a limitation in terms of processing of information at a time, phone numbers are of 7 digits.

Human brain can remember 3 to 7 digits at a time and hence making phone numbers beyond 7 digits will pose challenges in memorizing the same.

The insight below mentions this reason in details

For another such interesting insight please read this post:

https://viewpointsunplugged.com/how-does-pixar-storytelling-guideline-look-like/

To know more about the author please visit this link:

https://www.carminegallo.com/