Answer:
podcasting
Step-by-step explanation:
Podcasting:-
Podcast is defined as the series of a particular audio digital files which an individual can download which can be used for listening.
Podcasting is therefore the automatic download of the new episodes or the series or new videos via web syndication to the local computer or mobile application of the user.
Thus, according to the question, presidential candidate making short political audios and videos to help their message get to the public is an example of using the method of podcasting.