Wasn't my intent. The article was "how to do this" with lots of great pictures. Linked page was full of high level math. I was mocking the "This one simple t

Wasn't my intent. The article was "how to do this" with lots of great pictures. Linked page was full of high level math. I was mocking the "This one simple trick can make your shelves full" attitude. So you answered and I'll ask, "what do they do, it does not seem simple" except for the Database people filling .... Thanks (former teacher)