My annual spring visit to South Korea ended just as the rainy season in Seoul began. As in previous years, the visit was full of long walks and reunions with friends. On this visit, my seventh book in Korean, titled “The Spread of Writing Systems,” came out and received a warm welcome from the domestic media. Amid the whirlwind of activity on my trips, I always take note of changes since my past visit, and one usually stands out. This time, I noticed an interesting change in the routine announce