Meta's Public Data Loop: What Recommendation Algorithms Stole from Content Creators

I noticed an interesting detail: Zuckerberg said during the earnings call that Instagram will feed all public posts to large models, then use the analysis results to train algorithms. This sounds like a technical optimization announcement, but think about it closely—it actually reveals a fundamental shift happening right now. Platforms are no longer just passively collecting user behavior data; they're actively using large models to "understand" content, and then using that understanding to reshape what users see.