The South African billionaire tasked with cutting US government spending is Trump's cheerleader for now, but as he accumulates critics both inside and outside the White House, it seems he may not last

To answer that question, it is necessary to go all the way back to PayPal's founders and the suspiciously large contingent of White South Africans included in their number

There are signs that Trump wants his favourite tech billionaire to be as ruthless with the institutions of the American state as he was with Twitter

When it is finished, Qianfan could number 14,000 satellites

The serial tech entrepreneur once stood in line to shake Barack Obama's hand. Now he sits across from Donald Trump wagging, nodding, salivating, and retweeting. Has he earned enough for a hug?

It has some advantages. But it is entering a crowded field

Twitter was known for its liberalism. It has been transformed into a very different beast, posing implications for news provision and political debate in a year with the next race for the White House

Elon Musk's lawsuit against OpenAI unveils rift over AI mission, transforming a once-promising partnership into a legal battleground

A top biographer trailed the world's richest man for two years and then spent 688 pages deciphering him, yet Elon Musk has always been hard to define, as his latest scrap with Jewish leaders shows.

A global brand and a much-loved bird are out, taking blue-tick verifications with them, scandal has arrived, rivals have launched and advertisers left. And the world has been asking: 'Why?, Elon?'