(FILES) This file photo taken on September 3, 2020 shows Tesla CEO Elon Musk gesturing as he arrives to visit the construction site of the future US electric car giant Tesla, in Gruenheide near Berlin. The boom in demand for placing small satellites into orbit has boosted interest in small rockets, but industry players do not think the niche will become a business segment of its own. / AFP / Odd ANDERSEN
Tesla chief executive Elon Musk has overtaken Bill Gates as the world's second-richest person. AFP 

Elon Musk edges out Bill Gates to become the world's second-richest person