You then punch in a 4-digit PIN code to authenticate yourself and proceed to withdraw money.
Ever wondered why most PINs have only 4 digits?
Isnt that why our email passwords are also expected to be 6 letters or more?
You see there is a bit of story behind it.
Barron was born in Shillong and was son to a Wimbledon ladies doubles champion, Dorothy Barron.
When testing out his invention, Barron had also proposed a 6-digit PIN.
However, the first person to use his invention was his wife, Caroline.
When Barron came up with the idea when he realised that he could remember his six-figure army number.
But he decided to check that with his wife, Caroline.
Reportedly, 6 numbers stringed together were too much information for her to recall.
source: www.techworm.net
