In an interview with Conan O’Brien, Martin reveals that he writes his fantasy novels not on a modern computer, but using a WordStar 4.0 word processor, free of spell check, internet connectivity, and any other distractions. The initial WordStar software dates back to the 1970’s:
Well, I actually like it. It does everything I want a word processing program to do, and it doesn’t do anything else. I don’t want any help. I hate some of these modern systems where you type a lower case letter and it becomes a capital. I don’t want a capital!