Twitter files appeal in Occupy Wall Street case

Twitter on Monday filed an appeal of a court order to turn over tweets from one of its users being prosecuted over Occupy Wall Street protests, in a case being watched for free-speech implications.

Facebook 'like' in court over free speech

Freedom of speech on Facebook is at the heart of an appeals court case in Virginia involving an elected sheriff who fired staff members who "liked" his rival on the social networking site.

Phone app allows US users to film police activity

A US civil rights advocacy group has launched a free mobile phone application that allows users to record police activity discreetly, saying it will help boost police force accountability.

Many US police use cell phones to track: study

Many US police departments use cell phone tracking, often without court orders, to find suspects and investigate criminal cases, according to a study released Monday.

GPS court ruling leaves US phone tracking unclear

A US Supreme Court decision requiring a warrant to place a GPS device on the car of a criminal suspect leaves unresolved the bigger issue of police tracking using mobile phones, legal experts say.

Dutch court refuses to ban sales of Samsung tablet

Dutch appeals judges ruled Tuesday that Samsung's Galaxy Tab tablet is not a copy of Apple's popular iPad, handing the Korean consumer electronics maker its latest legal victory over its American rival.

Warrant needed for GPS tracking, high court says (Update)

(AP) -- In a rare defeat for law enforcement, the Supreme Court unanimously agreed on Monday to bar police from installing GPS technology to track suspects without first getting a judge's approval. The justices made clear ...

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