We haven't seen a shocking new product or rethink of something that exists, like when the iPhone came out of Steve Jobs' pocket.

BBC: Viewpoint: Steve Jobs is missed by Silicon Valley

"We've helped develop the debit-payment mechanism, and someone saying, 'We don't want to pay for that, ' forces us to rethink things, " Joe Price, Bank of America Corp.

WSJ: Banks Look to Replace Lost Debit-Card Fees

Jolted by the mass deaths of rescuers in New York, firefighters won't be so quick to rush into burning high-rises and will broadly rethink how to protect themselves while trying to save others, fire officials say.

CNN: Recovery: Top FAA security chief leaving

Although, in general, people didn't pay particular attention to how well it worked, and I think the first time people began to rethink the question was in the late-40s when Dr. Spock, the famous Dr. Spock, wrote about this and began to question whether this was a good idea.

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