I think the technology and capabilities likely exist for Google or any other entity to do this classification for us.
But it's a slippery slope. Do we want machine learning algorithms to show us what to care about? Won't that somehow cheapen the uniquely human experience of sifting through your own data and correlating it with your memories and emotions at the time?
That's where we start slipping into the philosophical aspect of the conversation. I don't know that a computer will ever be as good at discerning meaning from our communication as we are - partly because a lot of the meaning is because we say so, not necessarily because of something inherent.
But could they get to 50%? 90%? I hope so, because the load is so huge.
But it's a slippery slope. Do we want machine learning algorithms to show us what to care about? Won't that somehow cheapen the uniquely human experience of sifting through your own data and correlating it with your memories and emotions at the time?