Idea Tracking

Where do you put your ideas for your business? I have found the best way for me to keep track of my ideas is to put them in my phone. Whether it is a new products I want to carry or a new place I can advertise, I put them in my phone until I have time to do research on the ideas. This way is best for me because I wouldn't remember the five or so ideas I had that day. I keeps me more organized too, I have a list on my phone for each type of idea, what products I would like to carry, what I need to place in my next order, places I can sell, and other ways I can advertise.