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A US judge on Monday ordered the release of previously sealed documents in the criminal hacking case against deceased Internet activist Aaron Swartz.
When a California college student was shot dead by a stranger on a crowded commuter train in San Francisco last month, none of the dozens of passengers on board saw it coming — they were too absorbed in their mobile devices, officials said on Wednesday.
Canadian lawmakers locked down inside parliament for up to 10 hours turned to Twitter to send messages to their friends and families letting them know they were safe albeit exhausted.
A US student who had issued chilling warnings on Twitter opened fire in a school cafeteria on Friday, killing at least one person and critically injuring three before taking his own life.
Hours after a self-styled sheikh and two of his hostages were killed in a gun battle in a Sydney café, inflaming anti-Muslim sentiment in Australia's biggest city, a social media movement showing solidarity with Australian Muslims was gathering steam.
Susanna Khoo talks about what’s wise and unwise to do on social media, particularly when tragedy strikes.
One hostage the Sydney siege gunman failed to take this week was social media.
Popular photo-sharing service Instagram took down the account of the man said to be behind the "assassination" of two New York City police officers, after the 28-year-old gunman's veiled threats and provocative messages went viral in the wake of the execution-style shootings.
US law enforcement agencies are a long way from being able to effectively track threats of the kind a gunman posted on Instagram before his execution-style murder of two New York City policemen two weeks ago.