This article from MIT Technology Review covers two distinct technology topics. The first part explores the ‘Vitalism’ movement, a growing trend where individuals use technology to meticulously track and optimize their personal health and biological data, aiming to extend lifespan and enhance well-being. The second part examines a critical privacy concern emerging from advanced AI systems: their ability to form persistent ‘memories’ of user interactions. This capability, while useful for personalization, raises significant questions about data ownership, consent, and the potential for sensitive information to be retained and possibly exposed. The piece presents these developments as key areas of current technological and ethical discussion. 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/