FREE WiFi at Madrid-Barajas
Madrid-Barajas offers wireless internet access in the airport as an unlimited FREE service. Hurray! If only all airports were this awesome...
To connect to the wifi, use the "kubiwireless" network (SSID: Airport_Free_Wifi_AENA).
Insider Tip: There are also internet access points located throughout the Terminals, some of which have printers and free mobile chargers.