Not everyone writes things down with a pen or pencil. Some use their phones, tablets or PCs. Some have secretaries or assistants. Some don’t care, and may well be willing to take whatever is thrown at them tomorrow.
Whatever your preference, know this:
if you want to get to a particular place in the future: you gotta plan.
I prefer a journal/planner all-in-one. I like knowing where my thoughts are stored and what I was thinking when I wrote them (ie: the doodles and scribbles that are on the same page).
I write what I need to do,
and then I write what happened when I did or didn’t do it.
This is a pretty printable, take a look at all the specifics:
Have a great day,