https://partyforumseasia.org/2024/11/27/the-beginning-of-the-end-of-election-campaigns/
Partyforumseasia: Are social media replacing old fashioned campaigning with posters, canvassing, rallies, and personal activities of party members? If yes, election campaigning could become much cheaper than the recent billion $$ presidential campaign in the U.S.
Here is an interesting case from Japan:
Japanese politician rides social media wave to polls win

