Parmy Olson, Columnist

Elon Musk’s Everything App ‘X’ Is a Bad Idea

Do we really want a capricious business titan to have all of our personal information and buying habits at his fingertips?

The original superapp.

Photographer: SOPA Images/LightRocket
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Elon Musk likes to “go big or go home.” So it was no surprise after news broke that he was buying Twitter Inc. after all, that he would tease a huge ambition for the company: