This is Mark Zuckerberg's theory of why Facebook is losing cultural relevancy

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• Facebook's cultural relevance has been on the rocks for years.
• Emails between Mark Zuckerberg and a Facebook exec reveal Meta's concerns about the social network.
• The emails were used as evidence in the FTC's antitrust lawsuit against Meta.

Mark Zuckerberg has been worried about Facebook's cultural relevance for years.

Emails from April 2022 between Zuckerberg and Tom Alison — Meta's head of Facebook — were presented...