Introduction to the cage fight challenge between Meta CEO Mark Zuckerberg and Twitter boss Elon Musk.

Mark Zuckerberg's impressive physical transformation and ripped physique.

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The photo posted on social media featuring Zuckerberg with MMA fighters Israel Adesanya and Alex Volkanvski.

The acceptance of the challenge by both billionaires, though the actual fight remains unconfirmed.

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The social media buzz generated by the photo and the anticipation of the potential fight.

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Mark Zuckerberg's background in jiu-jitsu and Elon Musk's claim of being a street fighter and trainer.

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The challenge initiated by Elon Musk in response to Zuckerberg's announcement about Meta's new feature, 'Threads.'

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The engagement and comments from fans on the photo, with some expressing respect for Zuckerberg and others supporting Elon Musk.

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The hypothetical nature of the cage fight and the uncertainty of whether it will actually take place.

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