I mean that's true, but at the risk of stating the obvious, people should not be mistaken to think that this represents the "information content" of the brain (

I mean that's true, but at the risk of stating the obvious, people should not be mistaken to think that this represents the "information content" of the brain (except perhaps in a very narrow and technical sense). If you did such 3D scans at similar resolution of all the hardware comprising the internet, for example, it would be vastly bigger than a human brain. It might even be bigger than all the human brains combined, although I'm not sure. It's not very clear whether such comparisons really mean anything (other than "wow that research team really pulled off something impressive" or "wow there are a lot of very small things in a given volume of matter"). A similar volume of toenails would contain a similar amount of 3D scan data.