Ask HN: Marketplaces What Is the Future

marketplace - once great "one-place-shop" experiences, what does innovation look like in the coming years? In the leadgen/housing there are a ton on brands, most with least differentiation or value add, but mostly all driven by marketing dollars via Ad spend. Zillow, Realtor, Bankrate, LendingTree, Redfin so many grappling for marketshare with very little innovation in the past 5 years. Has each of their TAM greatly reduced? What does AI / GenAI adoption and experience look like on innovation front for marketplaces? Does data sharing/consent pose a threat to marketplaces?