This document discusses cognitive accessibility and its importance for inclusion and happiness. It defines cognitive accessibility as making both physical and digital places perceivable, intelligible, and actionable for people with conditions like dyslexia, autism, or dementia. The document then provides examples of projects that aim to understand emotion in spaces, design for cognitive disabilities, and use responsive data to create emotionally aware devices. It argues that cognitive accessibility, personalization, and design for happiness are interconnected goals that can help make places better for those with needs, meaningful for many, and happier for all.