I have heard of it but know very little about it. I'm reading the paper. It's very intriguing but so is the marketing material for the new Tesla. I need to wor

I have heard of it but know very little about it. I'm reading the paper. It's very intriguing but so is the marketing material for the new Tesla. I need to work with things like this before I believe the claims. Too many people here on HN are getting caught up in a barely-tested new technology and hailing it as some revolution.