The European Commission said on Friday it was stepping up its investigation into whether Elon Musk's social media network X breached EU rules on content moderation with requests for information and an order for it to retain relevant documents.

The EU on Friday demanded X hand over more details about its algorithms and any future changes as part of its wide-ranging probe into the platform, as Elon Musk's outbursts

The pushback comes as the emboldened leaders of US tech companies, including Google CEO Sundar Pichai, have been courting President-elect Donald Trump, with Tim Cook and Mark Zuckerberg urging him directly to combat EU regulatory enforcement.

Google has told the EU it will not comply with a forthcoming fact-checking law, according to a copy of a letter obtained by Axios. The company states that it will not be adding fact checks to search results or YouTube videos and will not use fact-checking data when ranking or removing content.

After Mark Zuckerberg's big announcement that Meta will no longer fact check, Google is also sending a message to the European Union: The search giant is opting out of a new EU law that requires fact checks.