reading the signal…
Signals / Event / Building permits stream
in Minneapolis, MN·counted·45K all time
A permit for business-related construction or renovation, usually displayed as an official approval notice.
Counted, not streamed: Commercial 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.