Post to Wall
Why phone buttons are laid out the way they are.
This video will not play. You currently do not have Adobe Flash installed on this computer. Please click here to download it (it's free!)
Share on Facebook
There is always a reason for the patterns of numbers that surround us daily, even in things we may never think twice about. Today, explore the reasons why the number layout on your phone's keypad is like that with Numberphile.