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![](http://static.miraheze.org/corruwiki/thumb/1/18/Listener_in_Embassy.png/300px-Listener_in_Embassy.png)
A listener is a corrucystic device that continuously records Dull signals to a set of archival cysts.
Listeners have existed since before The Call began its broadcast[1] and seem to have been used for the purpose of archiving dull communications across the Collective.
- ↑ Transcripts:Embassy, lines 40-41; "most reliable" implies multiple sources