Musk claimed on [Instagram](https://www.instagram.com/p/BinoVT6Acpd/?taken-by=elonmusk) that his first underground tunnel in LA is "almost done," pending final regulatory approvals, and promised his Boring Company will initially offer free rides to the public. But investors have come to take the Tesla CEO's bold promises with a grain of salt.

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Tech Check: Apple Introduces New 'Mixed Reality' Headset
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