The following is what I take out of the book. It is not an exhaustive summary. I add my own ideas where relevant. I have also excluded Tek1 as a case study.

Imagine you had a HTML form with multiple “submit” buttons, and you wanted to programatically submit via a certain button:

I appreciate technical notes.

The discussion below says it all:

I came across the following in Pagy’s code base:

Simple is best, especially if you get benefit, without loss:

Why bother understanding the peer to peer mechanism?