What is the metaverse and why is Facebook so obsessed with it?

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As Facebook rebrands itself as Meta, which vision of the so-called metaverse will we adopt in the future? Will one firm dominate or will control be decentralized? And what dangers and opportunities will there be as we adopt avatars and become embodied in our online experience. With Charmaine Cozier. (Image: Woman wearing augmented reality glasses at night / Getty/Qi Yang)