The thing that is most responsible for the fragmented audience marketers experience today is:
Multimedia is the use of pictures, videos, audios etc for effective communication.
A marketer is one who is responsible for creating awareness about a particular product or service to the general public.
Therefore, a fragmented audience occurs when there is a choice that the audience has to make as a result of a rise in media options.
As a result of this, an audience becomes fragmented because they have to make a choice between the various media options and makes each choice with a smaller audience share.
Therefore, the answer is option D
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