Happened to be at Class Day at Yale University last week. It’s a convocation of all the graduating classes, undergraduate and graduate, the day before commencement. A big, colorful event. We could make some jokes about the fact that YaleÂ calls it Class Day, but in some ways it was one of the most diverse events I have been to: many colors of graduates, many languages. I was stuck with no camera except my lowly iPhone 4S, but it worked.