South Korean presidential candidate Yoon Suk-yeol got a boost on Thursday when a rival dropped out, but if the conservative former prosecutor wins next week, it may also be thanks to "deepfake" avatars and viral short videos.
Opposition leader Yoon and the top liberal contender have gone to unusual lengths in the nation's tradition-bound politics to shed the image of grumpy old men, courting young voters who could prove decisive in what has been a close race.
