Improve wifi performance
It became clear after the two Maker Faire events that wifi in public spaces performs much worse than at home. There are probably tricks to dealing with this, not the least of which is choosing a different channel (which we can already do).
Here is a discussion on other things that can be done to improve performance: http://7signal.com/wi-fi-learning-center/top-wi-fi-issues-and-challenges/
Many of these could be configured through the pnc app.