sidewalk

Serve’s self-driving sidewalk robots are already making deliveries in the city—as well as in Miami, Dallas, Chicago, and Atlanta—through an existing partnership with Uber Eats.

Yet when visiting a new city and using our phone to navigate, it can seem as if we are jumping from one spot to another, even though we are walking steadily along the same sidewalk.

For decades, people used portable garden sprayers—knapsack-style water blasters—to wash debris from sidewalks.

It’s not unusual to see them roaming the aisles of a record store or doing sidewalk photo shoots with digital cameras, as if they had traveled back to the early 2000s.

From the sidewalk, the traditional stucco bungalow looks like so many others in the neighborhood.