If 99.9% is good enough...

Then:

• 12 newborns will be given to the wrong parents daily
• 114,500 mismatched pairs of shoes will be shipped/year.
• 18,322 pieces of mail will be mishandled/hour.
• 2,000,000 documents will be lost by the IRS this year.
• 2.5 million books will be shipped with the wrong covers.
• Two planes landed at Chicago's O'Hare airport will be unsafe every day.
• 315 entries in Webster's Dictionary will be misspelled.
• 20,000 incorrect drug prescriptions will be written this year.
• 880,000 credit cards in circulation will turn out to have incorrect cardholder information on their magnetic strips.
• 103,260 income tax returns will be processed incorrectly during the year.
• 5.5 million cases of soft drinks produced will be flat.
• 291 pacemaker operations will be performed incorrectly.
• 3056 copies of tomorrow's Wall Street Journal will be missing one of the three sections
• A typical day would be 24 hours long (give or take 86.4 seconds)
• 24x7 systems would only be unavailable less than 8.88 hours per year, or 1.44 minutes per day (10.1 minutes per week).
• 10x5 systems would only be unavailable less than 36 seconds per day or 3 minutes per week.