Windows 7 goes on sale to the public this coming October and, based on reviews of various test versions, it’s sleeker and better performing than its predecessor, Vista.

But even as the company puts the final touches on Windows 7 some top engineers and executives are working on a replacement operating system that would relegate the aging Windows to computer history museums.

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Researchers at the Berkman Center for the Internet and Society at Harvard University analyzed about 35,000 active Arabic language Weblogs in 18 different countries. One of the more interesting findings, according to Harvard’s Bruce Etling, is bloggers tend to write mostly about their own towns and countries rather than wider, regional issues.

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Scientists working for U.S. intelligence have come up with some nifty ways to steal and communicate secrets over the years – from ball point pens that conceal tiny cameras to a freeze-dried rat with a hollow abdomen to hide information.

These days, of course, the spy game of covert communications is played out digitally, on computers, mobile phones, and the Internet.

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