India, April 18 -- Meta founder Mark Zuckerberg has been worried about Facebook's cultural relevance for years, as shown by emails between him and Facebook head Tom Alison from April 2022.

These emails were presented in court this week during the FTC's antitrust trial against Meta and their main topic was on how to keep Facebook relevant, Business Insider reported.

"Even though the FB app's engagement is steady in many places, it feels like its cultural relevance is decreasing quickly and I worry that this may be a leading indicator of future health issues," the report quoted Zuckerberg as having written.

The matter was such a concern that even if Instagram and WhatsApp did well, Zuckerberg wrote he couldn't see a path to success for M...