Columbia subject headings:
Harvard subject headings:
Communication in politics--Congresses.
Interdisciplinary research--Congresses.
Internet--Political aspects--Congresses.
Internet--Social aspects--Congresses
Memes--Congresses.
Princeton subject headings:
Communication in politics--Congresses.
Internet--Political aspects--Congresses.
Memes--Congresses.
Semiotics--Congresses.
Social media--Political aspects--Congresses.