The scariest thing about working on a printed book with a publisher is that I can’t issue a fix like I would with an app.

This page contains fixes to issues found in v1 of the book. If you find a new one, please send it my way at

Page 21-21

At the time of this writing, the implementation is still in beta and there is only a limited subset of applications that can will be able to adopt it once released because of the OS version requirements.

Thank you to Larry for sharing this.