Welcome to 2025 , where the old rules of digital marketing have officially been retired. For years, we’ve talked about personalization, but the reliance on third-party cookies  often made it a clumsy, privacy-invasive process. Now, with major browsers finally sunsetting this technology, the industry is not just changing—it's being rebuilt from the ground up by AI . The new foundation for success isn't external tracking; it's hyper-personalization  driven by Large Language Mod