When Drew Binsky stepped into a gosiwon in Seoul, the doorway alone offered a clue to the life inside. The entrance measured barely 61cm (24 inches) across – narrow enough to require a slight turn of the shoulders to pass through. Binsky, an American travel YouTuber with millions of subscribers, documented his experience in his video “Inside Korea’s smallest apartment,” posted on February 1. The video tours several gosiwon facilities across Seoul and drew more than 1.9 million views within days...