 The station also offers free internet portals for browsing the web and checking e-mail, which are located by the number 3 line.According to KT-published statistics in December 2010, the station was the network's most popular WiFi hotspot of all Seoul Metropolitan Subway stations, followed by Sadang Station, Dongdaemun Station, Jamsil Station and Jongno 3-ga Station.On November 19, 2010, the network's WiFi traffic at the station peaked at 23 gigabytes.