- In Seoul, grey or white taxi are basic cars with less experienced drivers
- Most stores in Seoul are open until at least 10:30 or 11:00 pm, and restaurants, bars, cafes, and street vendors until 3 or 4 am
- “Booking”, a unique form of speed dating in which waiters escort girls into rooms rented by groups of guys, is popular in Seoul nightclubs for its ruthless efficiency – if the girl doesn’t like what she sees, she leaves with minimal drinking or fake-number-exchanging involved
- Seoul is known for its population density, which is about 44,776 people per square mile
- Almost all residents of Seoul are of Korean descent
- Seoul provides free wi-fi access in outdoor areas, giving Internet access to over 10,000 parks, streets, and other public places
- In 2005, the man-made Cheonggyecheon Stream opened in the heart of Seoul to provide modern recreational space along its 5-mile route which runs in a trough 15 feet below street level
