Even so, Mr Ellison remains the world’s fifth-richest man, and Oracle the third-biggest software firm. He has a thing or two to teach fellow tech titans, in particular his friend Elon Musk, about ...

OpenAI director Larry Summers said he has not received any formal outreach from billionaire Elon Musk and his consortium of ...

He previously floated a joint venture, saying that the US should be entitled to half of the app.