Before September 11, 2001, most federal groups viewed the Internet as a place to store their vast library of public documents and as a way to network with community leaders in a timelier manner. But in the days that followed . . .

Before September 11, 2001, most federal groups viewed the Internet as a place to store their vast library of public documents and as a way to network with community leaders in a timelier manner. But in the days that followed 9/11, authorities revealed that terrorists also used the Web because they had access to the same technology.

Government agencies suddenly scrambled to assess what they released into cyberspace, vetting it for any sign that it could be used to exploit structural or security vulnerabilities.

A year later, a recent study from the Pew Internet & American Life Project found that "69 percent of Americans say the government should do everything it can to keep information out of terrorists' hands, even if that means the public will be deprived of information it needs or wants."

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