my router is an Apple Time Capsule. Whenever I'm home it backs up everything I've changed since the last backup. When I'm on all day it records hourly changes of what I've done.
When I mess up, I can look back to the day I want to restore and restore that file (or all, I suppose)
When I mess up, I can look back to the day I want to restore and restore that file (or all, I suppose)