I used to have a different notebook for each topic area. Over time, I couldn't remember which notebook I wrote what in. So these days, I'm using a single spir

I used to have a different notebook for each topic area. Over time, I couldn't remember which notebook I wrote what in. So these days, I'm using a single spiral bound notebook at a time to record random thoughts, etc. I prefer this to using a computer simply because I can flip back through old pages and even notebooks for inspiration when I feel stuck. For my development projects I keep a README.txt file in most directories. In that I record whatever is applicable to the contents of that directory. For example, if it is some library that I compiled from source, I will note the dependencies, any gotchas with linker flags, etc. For projects the top-level README.txt will contain a project overview and general notes. Then I have more formalized design documents, etc in a Doco sub-directory. In meetings I write stuff on pre-punched notepad and place those pages into the relevant project folder. Critical stuff gets transcribed, and expanded upon, in the project's doco directory (as above).