Found the coolest little portable pocket planner. Write your notes on it, stuff it in your pocket and toss when done. It’s called the PocketMod.
It’s an easy do-it-yourself – where you add the mini-pages that suit your planning needs then print it, fold it. It’s a bit of an origami puzzle till you get the hang of it… – make sure you print out the assembly instructions on one of your demos so you can review the process offline.