As a coffee afficionado and onetime Starbucks barista, I think the author is slightly mistaken. It’s not that anyone is embarrassed to order the short size; it’

As a coffee afficionado and onetime Starbucks barista, I think the author is slightly mistaken. It’s not that anyone is embarrassed to order the short size; it’s entirely that very few know it’s an option. Excellent article, though, on a very real phenomenon. I enjoyed the comparison to railcars and am interested in reading more from that old economist.