Welcome back to TechCrunch Mobility — your central hub for news and insights on the future of transportation. To get this in your inbox, sign up here for free — just click TechCrunch Mobility ! Waymo shared that it is now providing 500,000 paid robotaxi rides every week. That number is small compared to its human-driven ride-hailing counterparts, like Lyft and Uber . But that’s not what I found most interesting. The pace of growth in rides, new markets, and how it compares to its fleet size is