Easy go, easy come

What do you do with all that good-to-have material, your reference material, the things you need from time to time that are so simple to put in piles so it won?t get lost, and which you then never find when you need them the most, just because they are somewhere at the bottom of the piles? Today, Done! presents a way to swiftly store such documents so that they are easily retrieved later, whenever you want to.