Faisal Khan’s answer to What is David Marcus’ game plan for Facebook and Messenger as far as Payments are concerned? – Quora
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pi
Pi – 3.14159265358979….
PI… Let me show you, Pi, the ratio of the circumference of a circle to its diameter, and this, 3.14129265358979 is just the beginning; it keeps on going, forever. Without ever repeating. Which means that contained within this string of decimals, is every single other number, your birth date, combination to your locker, your …