• Amy Mitchell-Whittington

A Queensland-led study that analysed the tweets of industry and world leaders to understand their online personality profiles found US President Donald Trump is an "emotionally unstable innovator".

• Edward C. Baig

After what Facebook declared were 'promising tests' in Australia and Thailand, the company is now about to expand its Messenger ads beta push more broadly.

• COMMENT
• Lincoln Geraghty

Initial fervour may have dissipated, yet arguably neither the cultural significance nor the core popularity (once the hype was over) of the game has waned.

• COMMENT
• Christopher Ingraham

Likes, shares, comments and friend requests are becoming the closest thing humanity has to a universal tongue.

• Hayley Tsukayama

If you feel like your storage is filling up faster than it used to, you may be on to something.

• Alison Bowen

A new iPhone app aims to track and predict mood episodes through keystrokes.

• Polly Mosendz and Rebecca Greenfield

Tinder is for dating. Facebook is for friends. LinkedIn is for ... well, it depends whom you ask, as a legal case involving a banker sending a picture of his genitals shows. LinkedIn is an extension of the workplace, similar to going into the office or attending a corporate networking event, the theory of the case goes. If you wouldn't flirt on a conference call, don't do it on LinkedIn. If you do, you and your company could pay the price.

• COMMENT
• Farhad Manjoo

There's a lot at stake. Ride-hailing, as an industry and a civic utility, is too big an idea to be left to a company like the one Uber is now. The company that wins this industry is bound to become one of the world's most powerful corporations.

• Chris Jager

Foxtel has announced a revamped high-definition video streaming service dubbed Foxtel Now - and it's priced competitively with Stan and Netflix.

• Peter Wells

Yuma Soerianto has built five apps now available through Apple's App Store, and used the 14-hour flight to California to make a brand new app to help his parents calculate tips.

• Patricia Hernandez

Magikarp Jump, a game about raising Pokemon's most useless monster, is out today for iOS and Android. It is just as much a game about training Magikarp as it is a game about losing your Magikarp in horrible ways.

• Kieran Gair

Instagram is ranked as the worst social networking app when it comes to its impact on young people's mental health, according to a new survey published by the Royal Society for Public Health (RSPH) in the UK.

• Mike Isaac

By financial standards, the social media company may be a diving joke. But tell that to the nine million users that have just joined.

• Craig Butt

The ''Ancient Jerusalem VR" app is the brainchild of Melbourne University archaeology graduate Simon Young, who has turned something that what was intended to be a visual aid for his pHD thesis into a start-up.

• Stephen Jeffery

Visitors may have been disappointed - or relived - to find the capital without golden beaches or tall skyscrapers.

• Esha Vaish, Kate Holton

Some of the world's biggest advertising companies have said they were reviewing how they worked with Google.

• Katie Benner

Travis Kalanick, chief executive of Uber, is seeking a No. 2 executive to lend him a hand after a bumpy start to his year.

• Eric Newcomer

There's no question that it's been a hard year for Kalanick and Uber - or really, a bad year compressed down into an awful three months. And it keeps getting worse.

• Kit Eaton

A handful of the 3,000 or so apps I have tested over the years have true staying power, changing over time but remaining either fabulously useful, well designed or the best in class.