This article explores two distinct technological trends. First, it examines the Vitalism movement, a growing community focused on using technology for extreme self-optimization, longevity, and biohacking. The piece details the movement’s practices and its philosophical underpinnings. Second, it addresses a critical issue in artificial intelligence: the development of AI systems with persistent memory. While this feature enables more personalized and helpful interactions, it raises significant privacy concerns, as these systems continuously learn and store detailed information about users’ lives, conversations, and habits. The article discusses the potential risks and the ongoing debate about how to manage AI’s expanding memory capabilities. Read the full article at https://www.technologyreview.com/2026/01/29/1131925/the-download-inside-the-vitalism-movement-and-why-ais-memory-is-a-privacy-problem/