A couple interesting reads for the trip...
http://m.theatlantic.com/international/archive/2012/08/gangnam-style-dissected-the-subversive-message-within-south-koreas-music-video-sensation/261462/
http://m.theatlantic.com/international/archive/2012/09/growing-up-gangnam-style-what-the-seoul-neighborhood-was-really-like/262770/