We would first like to thank authors Donna Baker, Craig Long, and Adrian Solomon for their invaluable assistance in completing this book. This was truly a global effort with Roderico in Mexico, Ted in the Netherlands, Donna in Canada, Craig in Hawaii, and Adrian in Romania. Thanks also to Tim Borek and Courtney Allen at Wiley for your support in the creation of this book. A big thanks to Matt Wagner at Fresh Books for managing the whole process, and congratulations on your new baby. Thanks to the entire van den Berg family in Utrecht, Netherlands, Thijs and Lorenzo for putting up with us while writing this book. Finally, thanks to all the wonderful developers at Google who have created some great products and services.