The correct answer is D. A QR code you can scan in an ad
Explanation:
In advertising, audience interaction, also known as interactive advertising occurs when ads that promote products, services, and others use interactive media, which means the consumer or possible buyer can interact with the ad or product in some way, which means the audience does not only observe but has a more active role. Examples of this technique in advertising include responding to questions as in quizzes about products or QR codes, which have a positive effect as they persuade the audience to buy the product or service. Considering this, from the options provided the one that is an example of the technique audience interaction is "A QR code you can scan in an ad" because this makes the audience directly engage, have an active role and interact with the ad, which is the purpose of audience interaction technique.
