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Article Image, By Cliff Kuang

Every day, Google’s servers crawl the web, quietly amassing a mirror image of the internet, so that the search behemoth can index everything and serve up lighting-fast responses to any question, no matter how inane.

Article Image, By David Talbot

A Stanford startup’s new radio can send and receive information on the same frequency—an advance that could double the speed of wireless networks.

Article Image has been unavailable globally as of late Friday afternoon, and Twitter accounts belonging to people loosely affiliated with the Anonymous hacktivism movement have suggested they are responsible.