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.

When I set out to explore Twitter, I had no idea it was possible to spend so much time to such little purpose, writes David Fisher.

Forget being a supportive wife, this week I'm nominating myself as a supportive ageing woman, writes Wendyl Nissen.

"Did I upset you, boss?" That's how the owner of one of Turkey's biggest media groups apparently began a telephone conversation with the country's premier after his Milliyet newspaper published a story that displeased the leader.

Auckland Airport is backing a push to attract food tourists to New Zealand from emerging markets.

The no-makeup-selfie hashtag that went viral in the UK has arrived in New Zealand, with at least one cancer organisation riding on the coat-tails of its success.

Want to write a book? Make a movie? help someone in need? Hop on to one of the many crowdfunding sites and ask for a few dollars, writes Alan Perrott.

Those inane selfies and comments on our social media sites will live on long after we're dead, says a visiting academic - but it'll be a valuable historical record.

What's the future big thing in social media? Social media editor Paul Harper finds a group of Kiwis who think they've found it.

British Prime Minister David Cameron's stock image-esque photo of himself on the phone to US President Barack Obama has been lampooned by Twitter heroes.

First there was planking, then Gangnam Style, now ... derp-face.

Companies are now getting good impact from social media but a marketing expert says that online discourse has become more volatile, writes John Drinnan.

Gruesome images have emerged on Twitter that appear to show a Syrian militant group posting live updates as they cut off the hand of a suspected thief.

While most teenage musicians dream of making it big in America, one Kiwi is aiming for a much bigger market - China.

Never has the downside of social media been more apparent than over the past week, after TV presenter Charlotte Dawson was found dead in her apartment.

It feels like everything has been said in the wake of the death of Charlotte Dawson, including the good, the bad and the ugly, Paul Harper writes.