Random stat of the day

There are an estimated 9.7 trillion unredeemed miles in frequent-flier accounts, according to InsideFlyer.com.

Here are some examples of how massive that total is:
Value at 1.5 cents per mile: $145.5 billion
Number of business-class or first-class tickets that could be purchased with total unredeemed miles (at 150,000 miles per ticket): 64.7 million
Number of basic 25,000-mile awards: 388 million
Number of times a person could circumnavigate the Earth at its equator: 449 million
Number of round trips to the moon that could be made with total unredeemed miles: 19.4 million
Number of round trips to the moon represented by American Airlines' 587-billion miles outstanding: 1.2 million