That scrutiny is in stark contrast to the predictions of Khosla or SpaceX and Tesla CEO Elon Musk, who similarly envisions a world a decade or two from now where work is optional and money is less relevant. Musk imagined specialized robots outnumbering human physicians and surgeons, with a universal high income supporting a population that no longer needs to have jobs.
So where's the catch? These free online courses don't include certificates of completion or direct instructor messaging, but that's it. You still get unrestricted access to all the video content and you can learn at a pace that suits you. There's literally nothing stopping you from enrolling today.，更多细节参见服务器推荐
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