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Tuesday 13 March 2018 at 14:20
I maintain a pin to-do list for each pin in a note on my iPhone. It tracks what I have done and what's still left to do, and come in handy that it is shared across all my devices.....
Source: http://pinside.com/pinball/forum/topic/using-post-it-notes-for-my-machine-to-do-list-is-there-a-better-way#post-4278284