Spent some time working on supplemental material for the book's web site. I'd like to have some examples of exercises in the book, how to adapt those to different kinds of equipment, full collected data, video demonstrations, stuff that would be difficult or bloat in the book itself, but that can help people understand what I'm talking about if the book isn't clear. Most of this sort of material will be written and added to the site after the book is out for sale.