I have tried notebooks and index cards but I had the problem of forgetting them. Now, I keep two text files in my dropbox folder. One for work use and one for p

I have tried notebooks and index cards but I had the problem of forgetting them. Now, I keep two text files in my dropbox folder. One for work use and one for personal use. This has been working fairly well for me. I use these to take notes, ideas and track to do lists.