Essay·February 3, 2026·3 min readOne Loop Around Seoul Subway Line 2, and Some ThoughtsRiding the circle line for a full loop, thinking about Seoul and the people in it.SubwayLine 2SeoulDaily Life
IT·June 30, 2025·3 min readRobot Delivery in Seoul: Where Things StandMy real encounter with a delivery robot on the streets of Seoul and the practical limitationsRobot DeliveryAutomationSeoul