Appeals court rules in favor of Google's online library

Google is not violating copyright laws by digitizing books for a massive online library, a federal appeals court ruled Friday in a decadelong dispute by authors worried that the project would spoil the market for their books.

How big data helps first responders

Police officers and firefighters are leveraging big data to do their jobs more efficiently and more accurately.

New federal requirements on cellphone surveillance

Federal law enforcement officials will be routinely required to get a search warrant before using secretive and intrusive cellphone-tracking technology under a new Justice Department policy announced Thursday.

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