I've always been impressed by the amount of effort that people are willing to put in to avoid using version control. I used mercury about 18 years ago, and then moved to git when that took off, and I never write much text for work or leisure without putting it in git. I don't even use branches at all outside of work - it's just so that the previous versions are always available. This applies to my reading notes, travel plans, budgeting, etc.