https://crimethinc.com/2024/05/27/the-sunbird-how-to-start-an-announcements-only-thread-on-signal-and-how-organizers-in-austin-used-one-to-coordinate-solidarity-with-palestine
Organizers describe how they established an announcements-only Signal thread for the Palestine solidarity movement to share news and coordinate.
how to startthe sunbirdcrimethincannouncementsthread