Wasn't that how they initially found out about uber stealing their trade secret? When the LADAR manufacturer accidentally emailed Google instead of Uber?
In its filing, Waymo said it was inadvertently copied on an email from one of its suppliers with drawings of Uber’s circuit board design for its lidar technology, short for light detection and ranging, ” that are laser-based sensors used in self-driving cars. Waymo said Uber’s design bore “a striking resemblance” to its proprietary and highly secret design and infringed on Waymo’s patents.