BBC News I have been watching Elon Musk for a number of years - and more closely than ever in recent months, since he decided, seemingly on a whim, to buy the social network Twitter. Why is Elon Musk spending time on Twitter - not Mars?© Getty Images
Why is Elon Musk spending time on Twitter - not Mars?
Why is Elon Musk spending time on Twitter …
Why is Elon Musk spending time on Twitter - not Mars?
BBC News I have been watching Elon Musk for a number of years - and more closely than ever in recent months, since he decided, seemingly on a whim, to buy the social network Twitter. Why is Elon Musk spending time on Twitter - not Mars?© Getty Images