What if the most valuable thing was not ownership of objects, but ownership of the platforms through which everyone else shared them?… The rain had just stopped over Osaka Bay when Aki stepped out of the autonomous shuttle and looked toward the waterfront district. The apartment tower where she lived contained almost nothing that previous generations would have considered “owned.” Her transportation was shared. Her computing power was rented from cloud providers by the second. The AI assistant that organized her work, managed her finances, and negotiated service contracts existed only as a subscription. Even the augmented-reality glasses she wore belonged to a hardware cooperative that automatically replaced devices every eighteen months. Yet Aki was wealthier than her grandparents had been at the same age. At least according to conventional economic metrics. She entered a café and sat beside the window. A delivery robo...