reading the signal…
Signals / Event / Building permits stream
in Minneapolis, MN·counted·29K all time
A permit for installing or replacing windows, typically shown as an official application covering window work.
Counted, not streamed: Window Permit has no time series, so it is read as a footprint across places. All-time count by city.
Things that happen: permits, collisions, crimes, inspections. All-time counts.