A unicorn Beanie Baby. A 15-pound green bowling ball. A pair of dentures. These are just some of the items left behind in robotaxis in the past year, according to Uber's annual Lost and Found Index . For the first time, the company is expanding its annual of accounting of things forgotten in Uber vehicles to include self-driving cars because, for the first time, Uber has enough self-driving cars on its platform to matter. Uber doesn't deploy its own robotaxis, but in the last few years it's become a clearinghouse for driverless car companies that want access to Uber's millions of customers. Here in the US, that includes Waymo (in Austin a … Read the full story at The Verge.