I thank the following for their technical suggestions and feedback, during the early stages of this book: Orla Greevy, Colin Clark, Marco Ruggli, Pierre Joye, Frank Franzen.
- Thanks to Florent Autrea for corrections to the Sunscreen/SKIP stuff.
- Shane "wild pig" Hurley for the JavaScript corrections.
- Dr. Christophe Williams for feedback.
Most of all, thanks to the fellow Internet users who share their experiences, software, ideas and help others.