Can you say that 10 times fast? Here are fifteen sources of insight into the world of money and finance, courtesy of Didyouknow.org.

1. If you stack one million US$1 bills, it would be 110m (361 ft) high and weigh exactly 1 ton.
2. Queen Elizabeth II is one of the 10th wealthiest women in the world.
3. In 1900, the price of gold was less than $40 per ounce. It reached $600 in 1930. In 2009 it reached $1,000 per ounce.
4. The word millionaire was first used by Benjamin Disraeli in his 1826 novel Vivian Grey.
5. In 1932, when a shortage of cash occurred in Tenino, Washington, USA, notes were made out of wood for a brief period. The wood notes came in $1, $5 and $10 values.
6. The first credit card was issued by American Express in 1951.
7. The term “smart money” refers to gamblers who have inside information or have arranged a fix, the gambling term for insuring the outcome of an event by illegal methods.
8. A million dollars’ worth of $100 bills weighs only 10 kg (22 lb).
9. The average age of Forbes’s 400 wealthiest individuals is over 60.
10. The $ sign was designed in 1788 by Oliver Pollock.
11. Australians are the heaviest gamblers in the world; an estimated 82% of Australians bet. That is twice as much per capita as Europeans or Americans. Yet, Australia, with less than 1% of the world population, has 20% of the world’s poker machines.
12. Tourism is the world’s biggest industry, affecting 240 million jobs.
13. Statistics show that people with high, medium and low income groups spend about the same amount on Christmas
14. TIP is the acronym for “To Insure Promptness.”
15. The NASDAQ stock exchange was totally disabled one day in December 1987 when a squirrel burrowed through a telephone line.