This is pure speculation on my part but I like to think that there's literally billions to save. It's about the order of magnitude: even 1 minute per year per p

This is pure speculation on my part but I like to think that there's literally billions to save. It's about the order of magnitude: even 1 minute per year per person amounts to something like 15,000 man-days (>100 million man hours!). 1 minute per year!