There is an old chinese proverb: The faintest ink is better than the best memory. Because of this, people invented todo lists…
I am using a Personal Kanban for years now, and it had a tremendous and positive impact on my organization and my life in general.
Some weeks ago, I blogged about it.
http://99-developer-tools.com/personal-kanban-kanbanpad/
Via the built-in limit for work-in-progress tasks, a Personal Kanban constantly forces you to think about what really matters. It helps me find out what are the important things. And it helps me concentrate on these things