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Privacy concerns are leading to "virtual identity suicide" with large numbers of Facebook users deleting their accounts, according to new scientific research.

Facebook Inc CEO Mark Zuckerberg has enlisted Samsung Electronics Co Ltd, Qualcomm Inc and other technology companies to help him in a project aimed at making Internet access affordable for the 5 billion people around the world who are not online.

Don't press the like button: Facebook is a bummer that makes us feel worse about our lives, according to new research.

Facebook has asked the Government for an exemption from a new spying law that could see its two million New Zealand users' messages subject to interception by the GCSB.

A Gender Studies lecturer at the University of Otago has applauded Facebook for removing a page displaying intimate photos of Dunedin students.

Facebook Inc has introduced a visually richer, mobile device-oriented "newsfeed", in the most significant changes to date for the social network's most recognizable feature.

Just a week on the job and the Dunedin police Facebook page may have achieved its first success.

Investors are likely to regard the launch of Facebook's Graph Search as ''too little progress'' in the highly lucrative market of web search, Greenlight chief operating officer Andreas Pouros says.

Facebook Inc CEO Mark Zuckerberg has unveiled a feature to help its billion-plus users search for people and places within the social network, in the company's first major product launch event since its May initial public offering.

More than half of New Zealand's Facebook population are fans of the All Blacks page - far exceeding the popularity of any other New Zealand brand.

Social media company Facebook Inc reports it reached the 1 billion user mark last month, while chief executive Mark Zuckerberg said it would keep pursuing growth through mobile devices.

Facebook has an ugly little secret, a number disclosed nowhere in its voluminous filings to become a public company and now only vaguely addressed by corporate officials.

A 15-year-old Dutch boy has been sentenced to a year in juvenile detention for stabbing to death a girl whose Facebook posts reportedly led to a contract for her killing.

Facebook will allow users in Britain to wager real money on its service, opening its doors to gambling for the first time as revenue growth slows at the world's No. 1 social network.

Facebook Inc has agreed to pay $10 million to charity to settle a lawsuit that accused the site of violating users' rights to control the use of their own names, photographs and likenesses, according to court documents made public over the weekend.

Here's another reason for holdouts to join the social media site Facebook: it's a great place to find a kidney.