cool...
I searched "Super Dimension Fortress" on the NPR (National Public Radio) website and this is what I got...
#SDF @SDF or Super Dimension Fortress is the #pubnix (public access #UNIX system) community that I belong to...
Why don't you join us, interact, explore and have fun? It's free to join! Simply issue 'ssh new@sdf.org' on your *NIX terminal or go to http://sdf.org
https://www.npr.org/2012/04/17/150817325/in-noisy-digital-era-elegant-internet-still-thrives