Pinballnews posted a recap and audio recording of this seminar.
Recap (in the “2pm: Ryan Wanger - How to Play Pinball” section around 60% of the way down the page): http://www.pinballnews.com/shows/rmps2016/index.html
Audio: http://www.pinballnews.com/shows/rmps2016/ryanwanger.mp3