In the first article of a series on generative AI's impact on Identity and Access Management (IAM), the discussion centers on the evolving nature of identity in the context of AI technologies. The traditional distinctions between human and machine identities are becoming blurred, necessitating a reevaluation of IAM strategies to accommodate hybrid identities that exhibit characteristics of both. The article emphasizes the need for dynamic frameworks that incorporate ranking systems and factors such as ownership, relationships, and conditions to enhance security and access control. Tools like ArcJet and OPAL are highlighted for their capabilities in ranking identities and managing policy systems. By integrating these approaches, IAM systems can better address the challenges posed by AI identities, ensuring robust authentication and authorization processes that adapt to the complexities of AI-driven environments.