Elon Musk - who's not afraid of speaking his mind - has mocked his billionaire-space rival, Jeff Bezos, again. The billionaire himself, who was recently named as TIME's Person of the Year, took aim at the Amazon chief in an interview with the Financial Times.CEO Elon had some tough words for his rival when he naturally took time to reflect on life as a billionaire during the past year.He spoke of Bezos like any other decent competitor, branding him as a 'friend' with "reasonably good engineering aptitude".Although, that wasn't the only thing he said about the Blue Origin founder.Elon savagely called out Bezos for not giving enough energy to the aerospace company, which is competing against Musk's SpaceX as well as Richard Branson's Virgin.
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