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On my way to my first class, I saw a cartography genius on the escalator, and had a total fan girl moment. My first class was GIS for Active Shooter Response.  The class was PACKED.  It ended up being nothing that I had hoped, and only a grad student's project on FBI stats.  I could not leave to go to a different class.  So here are some random facts - there have been 277 mass shootings between 2000-2018.  California has had the most.  The least occurrences in less populated states.  No correlation for seasons, ccw/armed households.  7 states do mental health background checks.  Did not compare to gun-free zones. This class time was shared with a GIS person from a city in California that showed her project that took her two years.  Basic aerial with building outlines.  For schools.  Oh. Man. I decided I need to present next year. I apprehensively followed up that class with a class on GIS for Informed Decisions in the EOC.  Once again, it was packed.  Lowndes EM

Day 2, diving right in. I started with an Arcade class.  Arcade is not a programming language.  It is not a replacement for python.  It is an expression language that can be used across all ESRI products.  It is not case sensitive.    TextFormatting.Newline - AGO does not support.  Boo....seriously, make things work everywhere before releasing!    The presenter recommended a book available on Amazon called "Writing Arcade Expressions" by Dave Allen.    My coworker and I met with some ESRI staff in the vendor area to discuss some problems we've been running into, and to get some help.  We discussed using a base64 encoded string for pictures in pop-ups (they didn't know how to do this), related tables in pop ups (no real way to do this with truly live data), vector tile packages to get our data out to custom apps, and how in the world are we getting duplicate global ids in globalid fields??  I also asked why federated servers, and one rep claimed i