Yesterday's promised story about cards requires preparation. Today let us admire how the app communicates that it "understands" people. Cle…

Yesterday's promised story about cards requires preparation. Today let us admire how the app communicates that it "understands" people. Clear explanations of why the app needs geolocation. And for dessert: space technology in service of the ordinary person. Automatic, no-questions-asked detection of pot size — that is the magic that hits right in the heart.