> Tesla has millions of cars on the road gathering this data, vs a couple of thousand for Waymo Except that Alphabet has been mapping and scanning for years, s

> Tesla has millions of cars on the road gathering this data, vs a couple of thousand for Waymo Except that Alphabet has been mapping and scanning for years, since before Waymo. And, Waymo vehicles are on the road while waiting for a fare, so they can use that time for mapping, while Teslas are reliant on where their owners go.