<ul><li>A security researcher discovered a hidden feature in the Waymo app that allowed her to customize the robotaxi's display.</li><li>Jane Manchun Wong was able to show custom characters on the Waymo car's top display using the unreleased feature.</li><li>Waymo has since updated the app to prevent users from customizing the display.</li><li>The dome display on Waymo cars is used for identification, communication with pedestrians, and marketing purposes.</li></ul>

Hidden Waymo feature let researcher customize robotaxi’s display

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