Include — Design for Everyone Overview Accessibility is not a feature. It's not a phase. It's not something you "add" after the design is "done." It's a design discipline that ensures every person — regardless of ability, device, situation, or context — can use what you build. One billion people worldwide have a disability. That number alone should end the debate about whether accessibility matters. But accessibility is not just about permanent disability. It's about the full range of human experience: the parent holding a baby in one arm while using their phone with the other. The commuter r…