External Brain

An external brain refers to tools like digital devices, apps, or systems that support and enhance our thinking, memory, and problem-solving outside of our biological brain. Think of it as a supplementary mental workspace where you can store, organize, and access information more efficiently. For example, note-taking apps, cloud storage, or AI assistants serve as external brains by helping you remember details, manage tasks, and generate ideas, ultimately extending your cognitive capabilities and freeing up mental energy for more complex thinking.