For a multitude of reasons, of course. Perhaps the most interesting? Forget Microsoft Office Suite, Martin writes on Wordstar 4.0 — running on DOS.
Obviously — inevitably — George R.R. Martin has a secondary computer where the author can browse the internet and check his email, but for writing his thousand page epics for A Song of Fire and Ice? Wordstar 4.0 offers a secluded space free of distractions like those pesky spellchecks or the random facebook/reddit/livejournal detours. Catch Martin’s take on his unusual writing habits in an interview with late night talk show host Conan.