MrApathy

For a great example see https://en.wikipedia.org/wiki/Eruv . Look carefully and you'll see these in Jewish areas of NYC like Williamsburg.

jq is an incredibly powerful tool, but it's not always the easiest tool to use. LLM's are remarkably good at constructing filters for most uses cases, but for people that work with JSON a lot, learning jq can be real benefit.

This is solid as a convenience to the cardholder. When there's fraudulent activity and the card needs to be reissued with a new number, it's not as painful to update all of the subscription services. Most cardholders, most of the time, would prefer the impact to be as minimal as possible when issued a new card number.