I have just finished reading Adam Savage’s book “Every Tool’s a Hammer” (ISBN 9781471186004). It was a thoroughly entertaining and informative read and I highly recommend it.
The section on lists particularly resonated with me. I use a similar system at work: an empty box indicates a yet to be started task, a box with a line through it a task that has been started in some form and a filled in box indicates a completed task.
However my favourite part was a new word I learned – ferroequinologist!