He sparked mass treasure hunts across California after hiding hundred dollar bills in envelopes and posting online cryptic clues to their location under the Twitter handle HiddenCash.

Almost four in 10 young UK adults describe themselves as digital addicts, according to research published by Foresters, the financial services company.

The social media phenomenon known as the Beached Az whale has been killed off by its creators to highlight the plight of marine life ahead of World Oceans Day.

Q&A with Biz Stone - the nice-guy idealist among Twitter's otherwise sparring co-founders.

Kiwis are being urged to think twice before clicking on a Facebook friend's new video, as fraudsters increasingly target victims over social media.

The sun was out as usual in southern California this weekend but, even so, one particular stretch of Hermosa Beach in south Los Angeles was unusually busy.

High above Rio de Janeiro, travel boss Lee Thompson became the first man to take a selfie atop Brazil's iconic 40m statue Christ the Redeemer.

Just over a week into his big OE, Jake Green is having the time of his life.

The internet has made the world smaller, but sometimes it seems like our neighbours have never been further far away.

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 New York Police Department discovered the perils of trying to engage with Twitter to boost its own image after a hashtag campaign went badly awry.

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.