It is easier to deal with things when you can see them. While computers are very useful, sometimes, they hide things.
A note attached to a fridge works quite well. The note on the fridge is in your face. If you have a notes file on your computer, you have to explicitly look at it. If you do not, you do not see it.
A local company has been running an ad on the Web that I have seen many times. It is a very nicely done ad, but it is about a winter need. Spring is nearly half over. It was too easy for them to miss this. I sent an E-mail yesterday letting them know.