https://www.youtube.com/watch?v=VzD9bhUIaK4&t=4s Stairs have long been the nemesis of wheelchair users, turning simple errands into logistical nightmares and limiting access to countless spaces. Toyota's answer to this mobility challenge doesn't roll on wheels at all. Instead, the Walk Me concept, unveiled at the Japan Mobility Show 2025, walks on four robotic legs that can climb stairs,