Handwriting small notes in a meeting is less obtrusive than hauling out a laptop or thumbing a phone. I carry a 3.5 by 5.5 inch Cahier and a Spacepen at all ti

Handwriting small notes in a meeting is less obtrusive than hauling out a laptop or thumbing a phone. I carry a 3.5 by 5.5 inch Cahier and a Spacepen at all times. If I need to write more extensively, I use one of my fountain pens. It's also free-form. If I want to include a sketch or some math, it's easy.