1. Waymo expands robotaxi testing to Baltimore, Pittsburgh, and St. Louis. 2. Waymo now operates in 26 markets with over 250,000 weekly trips. 3. Competitors like Amazon and Tesla are advancing in the robotaxi sector. 4. Waymo's success indicates confidence in colder weather operations. 5. 10 million paid rides have been provided since Waymo's 2020 launch.