Ok- I would add "focused" to that list. If you're a 20 year old working on your first startup 100 hours a week then you may not need a to-do list for life (alth

Ok- I would add "focused" to that list. If you're a 20 year old working on your first startup 100 hours a week then you may not need a to-do list for life (although you should certainly use one for your development!). For the rest of us, there is way too much that can possibly be done every day - and some framework for prioritization / tracking becomes essential.