I generally take notes on paper and very rarely look at them afterwards.
I note down some thoughts or tasks every day and carry a journal around for that.
I usually get more value out of (work) meetings if I do take notes. I usually take notes but prefer not to if I'm chairing/leading the meeting.
I rarely take notes on what I have read, unless it's something I am actively learning.
I generally take notes on paper and very rarely look at them afterwards.