What is most affective and Efficient way of taking notes on players? How do u do it?

[Poof]

I have a shit load of paper clips and most say stupid mother fuckers!!!! And Stupid Fkin $#*@'S

lol this kinda reminds me of how useless mine were too, when I played cash games before black friday, all my notes would be is this idiot owes me X dollar amount. I would only do it to the ones who played horribly and won a big pot, but knew when I saw them at the tables again.