Another flaw in the design of many consumer routers with built-in WiFi access points is that they still support WiFi Protected Access (WPA).

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Forcing the customer to pay for anything beyond a band-aid-style fix may mean the flaw will remain unpatched in many cases, warns Brocious.

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The absence of the major New York airports from Southwest's route map was a glaring flaw in the eyes of many business travellers.

ECONOMIST: Business travel

For many decades, the great flaw in the American health-care system was its unconscionable gaps in coverage.

NEWYORKER: Testing, Testing

Many revolvers have a design flaw known about since the 19th century: they can fire inadvertently if the hammer rests against a loaded chamber.

ECONOMIST: Gun safety

Expect Zuckerberg to tweak the feature to fix this design flaw, or find himself enrolled in many more clubs that are less than seemly for a CEO.

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For some, the time has come to address the underlying design flaw of the euro: a single currency with many different states.

ECONOMIST: Charlemagne

Many tech insiders have been bleating for years about a privacy flaw inherent in unencrypted browsing that lets hackers snoop on your Web activity.

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Because many are hired just to find and solve problems, they begin scanning everything for a flaw.

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