I see the value of keeping a journal, and I've tried to do it a bunch of times, but I can never stick with it. I do maintain a hipster PDA [1] with index cards

I see the value of keeping a journal, and I've tried to do it a bunch of times, but I can never stick with it. I do maintain a hipster PDA [1] with index cards for ideas, general lists, and doodles/scratches. I've found that to be a helpful tool. [1] https://en.wikipedia.org/wiki/Hipster_PDA https://en.wikipedia.org/wiki/Hipster_PDA