📝 On Building Persistent Agents More and more, I write about the importance of owning your intelligence stack. That includes owning your agent's memory. Beyond the harness and models, memory is a key part of the intelligence stack you want to manage well to unlock agents' frontier capabilities. How does this look in practice and why does it matter? Let's focus on persistent agents, which is one of the most exciting new applications today. Persistence has become a core capability of recent…