I like the idea of self-organizing notes, but to me that would be more like an automatically-created semantic graph where I can write a random note and have it auto-sorted and tagged.

So if I write down “Bob’s first kid’s name is John” it will segment that note into a section about “Friends and Relationships,” but if I write down “FAST Stroke Acronym = Face Arms Speech Time” that note will get segmented into “Medical Knowledge”.

And then having some way to explore that graph of notes would be super cool.