I had read it a couple weeks ago and couldn't remember where! That's a wonderful detailed piece of work like your many others.

So, you concluded that the SmartPlug has a "shipload" of contact area. Just out of curiosity, did you get an actual number? What is the ratio of contact area SmartPlug : 1938 ??

I made an outlandish claim to a friend yesterday that it was 100:1. He told me that just because I used to sell boats, I shouldn't exaggerate like that. (He had been my boss.)

The contact area is certainly fantastically better. It is so much better, that the actual number probably doesn't matter. But I'm still curious if you have a number.