A 15-year-old girl who says she was a victim of the Roast Busters group made a complaint to police two years ago, contradicting the official line that they could not prosecute members of the gang because no one had complained.

Police have been called after at least one copycat Facebook group appeared following the Roast Busters underage sex scandal.

Radio hosts Willie Jackson and John Tamihere have been accused of "victim-blaming'' over their questioning of a young woman who is friends with a Roast Busters group victim.

Another vigilante group has sprung up on Facebook promising $4000 for footage of "Roast Busters" members "getting hidings."

Waitemata police have this afternoon spoken to two alleged members of the 'Roast Buster' group which boasted online about having sex with drunk teenage girls.

One of the founders of a group calling themselves the Roast Busters has apparently apologised online for his involvement in the group.

Wall St is aflutter over Twitter, which is this week set to make the most anticipated stock market debut since Facebook in a huge test for social media and the technology sector.

Twitter says its new changes make the social media platform "more visual and engaging" - but not all users are impressed, writes social media editor Paul Harper.

In the past week, Facebook has gone full circle on its policy around censoring violent material, writes Theresa Sauter.

A White House official was fired after it was discovered that he was behind an anonymous Twitter account that criticised the Obama administration.

A prankster appears to have had some fun at the expense of the Minister of Police.

It wasn't the first complaint about airline food, but it was definitely one of the most emphatic.

As firefighters and ordinary residents toil at the black-red coalface of NSW's bushfire crisis, their story of heroism and anguish is being told to the world.

A little piece of Paris and a part of media history steps into a new era today when the International Herald Tribune dies and is reborn as the International New York Times.

A blogger has sparked furious debate with a claim that Lorde's hit Royals is racist.

Twitter.inc last week filed the documents for an initial public share offer that will see it raise US$1 billion.

More than a million young people in Britain are subjected to extreme online bullying every day, according to the biggest survey of internet abuse.

New Zealand tech companies are taking an "inefficient spear-fishing approach" to marketing, says a new study.

For almost three years the National Security Agency has been tapping the data it collects to map out some Americans' social connections.

Counties Manukau police are tweeting from the beat, giving an insight into an average Saturday night on South Auckland streets.

Iranian President Hassan Rouhani scooped Barack Obama with a tweet revealing a break in the 34-year silence between leaders of the two nations.

Whether it’s misguided Facebook marketing campaigns or expletive-ridden Twitter tirades, social media can turn an embarrassing lapse of reason into a viral global phenomenon in seconds.

Social media is acknowledged to be powerful, but - like learning Mandarin - many managers and businesses owners put the task of learning how to use it correctly on a very long to-do-list.