By frequent request, I have the presentation available online for the HotSpot building workshop this coming March 19th, 2017 @ 2:15pm in Maplewood at the public library. Hope you can make it.
https://docs.google.com/presentation/d/1b9JXCMXYOVGXSE0_xZ7jYVDZOTpaNgmxYIRJ29m8CxA/edit?usp=sharing