For what it's worth, here's my 7000+ word deep dive into the technology.

https://morethanmoore.substack.com/p/ibms-announces-07nm-pro...

Hi Dr. Cutress! I loved reading your deep dives on Anand, they're what got me interested in semiconductors. Hope you're well <3

weird q: the photo shows a wafer with partial chips rendered on the edges?