Why atm pin is 4 digits

Reportedly, 6 numbers stringed together were too much information for her to recall. Source: techlicious I Feature image source: gizmodo. A simple swipe and you can withdraw money anywhere, anytime. Most ATMs allow you 15 attempts to type in your PIN, so the chance of someone guessing your number correctly is low, assuming your code isn't too obvious.

Unfortunately, users "exhibit a staggering lack of imagination and select very predictable numbers," reports The Guardian. Three very simple combinations — , and — account for Shepherd-Barron's instincts haven't always been trustworthy. Once he tried to change the fish farming industry by inventing a machine that played killer whale sounds to ward off seals.

Well, this is one fun answer. The story goes, when the maker of ATM machines, John Shepherd-Barron, designed the first machine, he had kept the pin to be a longer six digits — so as to make the combinations greater and more complicated. However, his wife Caroline Murray was of the opinion that 6 digits are two too many and people would keep forgetting their pins. She herself found it difficult to remember and hence, he reduced the number down to 4 digits which was seemingly easier to remember!

And they say women cannot rule the world, phsaw! Imagine the long queue behind you if you decide to sift through each and every option! This floating ATM will reach out to hotels, resolts, temples and other places of worships, beaches, etc and even service those who use the jetty daily!

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