One of the shortcomings of audio books is no appendix. Sorry about that. Write to me through my blog and I'll email it to you: http://www.nirandfar.com/contact

One of the shortcomings of audio books is no appendix. Sorry about that. Write to me through my blog and I'll email it to you: http://www.nirandfar.com/contact http://www.nirandfar.com/contact Regarding your question on triggers, when it comes to newsletters, the external trigger is unread email message in your inbox. The "action" then is opening the message to see the "variable reward" inside.