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The US retail industry makes US$6.8 billion a year from gift cards that no one redeems.
34.5% of the money the average American takes home is spent on interest, including credit cards and auto loans.
There are more ways to shuffle a deck of cards than there are atoms on Earth.
Buying things with cash lights up the brain’s pain center while buying things with credit cards does not.
Former U.S. President Bill Clinton claims that Netflix series “House of Cards” is “99% real.”
Student loans have passed credit cards and auto loans to become the second biggest source of personal debt in the U.S., trailing only mortgages.
About 10% of pimps accept credit or debit cards.
Instead of autographs, Jonah Hill gives out business cards to his fan that say: “I just met Jonah Hill. It was a total letdown.”
In Canada, due to a chronic shortage of coinage, playing cards were once used as currency.
According to the official Cards Against Humanity rules, the player who pooped last goes first as judge.
Soviet composer Dmitri Shostakovich was so obsessive that he regularly sent cards to himself to test how well the postal service was working.
There is more money loaded on Starbucks cards and the Starbucks mobile app than some banks have in deposits.
In Thailand, it is illegal to possess more than 120 playing cards.
Money left on unused London Transport’s Oyster cards is increasing by £1 million a month and now stands at more than £235 million.
Apollo Astronauts couldn’t get life insurance. They made their own by autographing cards to be sold by their families if they didn’t return.
Each king in a deck of playing cards represents great king from history. Spades – King David, Clubs – Alexander the Great, Hearts – Charlemagne, Diamonds – Julius Caesar.
Each of the suits on a deck of cards represents the four major pillars of the economy in the middle ages: heart represented the Church, spades represented the military, clubs represented agriculture, and diamonds represented the merchant class.
Each king in a deck of playing cards represents a great king from history: Spades = David ; Clubs = Alexander the Great ; Hearts = Charlemagne ; Diamonds = Caesar
Estonian ID cards have a chip with public-private key pair used to sign documents and vote in elections via the internet. For their 2011 election, 24% of the votes were cast online.