For a high task environment: Carry a tiny tiny notebook around, 100 pages or so, that fits into any pocket. Each page for a day when tasks get assigned. A no

For a high task environment: Carry a tiny tiny notebook around, 100 pages or so, that fits into any pocket. Each page for a day when tasks get assigned. A note in the notebook for the task. When something's done, put a confident line through it. Flick through the book every day for what's not done.