A teacher who sent a 16-year-old student suggestive messages on social media, despite the student's attempts to stop him, has been deregistered.

Cyclists across social media have expressed their outrage after a motorcyclist uploaded a video that appears to show him running an unwitting bicycle user off the road.

Toby Manhire uncovers a series of newly uncovered political emails: "Gerry: Any more intel on Cunliffe? Does he own a racehorse - ideally in a trust or New York? Has he ever played cricket? Are there any photos of him winking?"

The MP whose tweet caused the Speaker to refer the issue of Twitter to the Privileges Committee does not resile from his description of the Speaker as a "Mafia don".

The Speaker has referred the use of Twitter by MPs in Parliament to the Privileges Committee after complaints from MPs about tweets criticising others.

Pinterest is now valued at $5 billion after raising a new $200 million round of funding.

In the midst of my bad week - writes Deborah Hill Cone - I couldn't help noticing Teuila Blakely was having an even cruddier week - and thinking, why?

As the Nothing Trivial cast prepare to film a one-off special to tie up loose ends left after the show was controversially axed, Joanna Mathers reports on the role social media played in forcing producers' hands.

Stars were better able to hide their bad behaviour in the pre-social media age, writes Andrew Alderson.

Complaints against a church ad inviting people to learn about overcoming "issues with same-sex attractions" have been dismissed.

Judith Collins tweeted too close to the sun, writes Toby Manhire, as he 'humbly' offers 10 bits of advice for MPs on Twitter.

New Zealanders view social media providers as the least trustworthy organisations for keeping personal details private.

They’re the kids born totally wired, the first generation who will spend their whole lives in a world where the planet’s accumulated wisdom is available instantly at the touch of a finger. And the first of them have just left school.

Facebook has advice for New Zealand travel firms: get a good app.

The Chinese government has shut down thousands of websites and social media sites in a bid to purge the internet of online pornography, it was revealed today.

Just over a week ago, the Governor-General's Facebook page was just another fairly ordinary page in the social media world. But no longer - thanks to the royals.

A Kiwi who uses a silver fern symbol on his Twitter account has been warned about copyright infringement by a government agency.

The Independent's Ian Burrell gets the low down on how phenomenally successful site Buzzfeed is seeking to refresh itself.

The world's most famous murder suspect, Oscar Pistorius, returns to the witness box tonight to face further gruelling cross-examination.

A seminar at a Northland church tomorrow offering to help people overcome their "same-sex attraction issues" has sparked a furore on social media.

Mary McCoy from Continuum sings a humor-laced theme song for this year's Social Media Marketing World called "Let's Get Social". Courtesy of YouTube/Phil Mershon

Spending too long on Twitter makes you more likely to break up with your partner, a study claims.

The ascent of social media has produced a type of hyper-experience of mortality, Rosemary Overell writes, following the death of Peaches Geldof.

The online world has made trying to be yourself, to be honest and ordinary and real, more risky and exposing than ever, writes Deborah Hill Cone.

San Francisco's union workers plan to march on Twitter's headquarters to give it a bill for the $56 million tax break it got three years ago.