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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.

Clash in US on mobile privacy protection

Law enforcement officials and civil liberties advocates clashed Thursday at a US congressional hearing on a proposed law to protect the "location privacy" of people using mobile phones.

Twitter passwords bared online

Twitter said that it was trying to figure out how user names and passwords from thousands of accounts apparently wound up posted at an online file sharing website.

Twitter challenges US subpoena seeking user data

Twitter is challenging a court order to turn over to law enforcement data on one of its users involved in Occupy Wall Street in a case described by a civil liberties group as a major test of online freedom of speech.

Judges, journalists clash over courtroom tweets

(AP) -- Getting news from a big trial once took days, moving at the speed of a carrier pigeon or an express pony. The telegraph and telephone cut that time dramatically, as did live television broadcasts.

3Qs: Mobile tracking in criminal investigations

Last week, the American Civil Liberties Union released a new report revealing that law-enforcement agencies frequently use cell-phone tracking data provided by wireless carriers — often without a warrant. Northeastern ...

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