The problem with sorting physical objects is that it's basically like inserting everything into a database for later retrieval, except you're only allowed to ha

The problem with sorting physical objects is that it's basically like inserting everything into a database for later retrieval, except you're only allowed to have one index (whatever you choose to base your categories on). It's often better to scan things like photos and documents and tag them; that way you don't have to decide ahead of time how you're going to search them.