Answer:
affinity audiences
Step-by-step explanation:
Google Ads uses your browsing history to determine your affinities (things or people you like or follow) depending on the pages you visit and the subject you search on the internet. Based on your affinities, then it shows you specific ads that relate to your personal affinities or tastes. It does the same thing with Youutube, when it recommends certain videos to you.
This way, Olivia will be able to target people that like jazz music.