I have this fear of data loss. I fear that someday the proprietary software I use will store my data/lists in some format that will be unreadable by future software. There's so many apps out there (Evernote, wikis, GTD software galore, etc.) that have proprietary formats but I hesitate to use any of them.

I keep my lists for the most part in txt files that are backed up nightly. I'm fairly confident txt will be readable for the next 50 years. I keep a paper notebook for notes, but I don't maintain my NA lists in it because if I were to lose the notebook, that would be a catastrophe.

Am I being irrational?

Aaron