Answer:
Speaking at a public meeting
Explanation:
The method of communicating a message that might require attending and presenting at town halls is "Speaking at a public meeting."
This is because the public meeting can be done in large public places like the town halls.
On the other hand, Producing a video or podcast can only be done in a media studio
Being published in a newspaper or blog can be done anywhere that has necessary facilities or media houses
Organizing a protest or demonstration is done in public spaces like roads and government buildings.
