Why does walking feel so intuitive when we’re in a city built before cars, yet as soon as we return home, walking feels like an unpleasant chore that immediately drives us into a car?

[T]here’s a bigger factor here: We don’t design the pedestrian experience for dignity.

In essence, this means that in most residential neighborhoods, people don’t have a choice. They are forced to drive to get their groceries.

This is the story of a catastrophic software bug I briefly introduced into the PayPal codebase that almost cost us the company (or so it seemed, in the moment.)