I am a semi-retired Electronics Engineer, living in Kelowna, BC, Canada.
I started my career working at the first commercial semiconductor manufacturer in Canada, Microsystems International, in 1974.
In those days, they would post the "cool-down" plot of a chip layout on the wall and if someone could spot a defect, they were awarded with a free dinner at a high-end restaurant in the Ottawa area.
That practice ended sometime in the early 1980's when the complexity had grown and such a plot would fill up a basketball court.
It is hard to fathom how complex the modern...