Today’s the day: Waymo’s unlikely partnership with Uber is now live in Austin, Texas. The former rivals have joined forces in the hopes of accelerating the transition to autonomous vehicles, and as of today, any Austin resident with a desire to take a trip in a fully driverless robotaxi can open their Uber app and hail away. But, of course, there are some limitations. Waymo only operates within a 37-square-mile area in Austin, which includes Hyde Park, Downtown, Montopolis, and other “popular de...