According to @ReutersBiz, starting December 16, Meta will integrate user AI conversations into data used for content and ad personalization, with no opt-out available (source: Reuters Business on X, Oct 1, 2025). The stated December 16 rollout gives traders a clear implementation date to monitor for any platform-level changes that could appear in end-of-quarter operational updates (source: Reuters Business on X, Oct 1, 2025). The post does not reference any cryptocurrency or blockchain-related features or impacts, indicating no direct crypto tie-in in this report (source: Reuters Business on X, Oct 1, 2025).