Gunther Verheyen and James Coplien share 'The Coplien Things Every Scrum Practitioner Should Know'

James Coplien contributed five 'Things' to the book "97 Things Every Scrum Practitioner Should Know" that was edited by Gunther Verheyen.
In this online Scrum Caretakers meetup, Gunther has read three of them with James explaining why he feels they were important to contribute and answering questions.
The selected Coplien Things were: "Why there are no user stories at the top of your Product Backlog", "Specialization is for insects" and "Think Big".

James is many things, including a teacher, an author, a researcher, a programmer.