The publisher, the user, and the ad server are all involved in the third-party ad serving (3PAS) paradigm of ad delivery.
Instead of serving an ad directly to the user's browser, the publisher instead sends the browser to an ad server where the ad is saved via an ad tag. Companion banners are image advertisements that play concurrently with other video or audio advertisements. In audio advertising, companion banners are shown to viewers as your audio ad is playing on a screen-equipped device, such as a smartphone or a computer. Go to your creative properties and open the Companion Creatives section. Select Add companions from the drop-down menu. You can add new creatives or assign already-existing ones.
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Answer:
Encryption Keys
Explanation:
In order to make sure only the intended recipient receives the information, encryption keys rely on a unique pattern, just like your house key, except instead of grooves and ridges encryption keys use numbers and letters.
