An advertiser wants to add video to their Sponsored Brands campaign to showcase their newly launched products. What is an example of a best practice they should follow when creating a video ad?

The correct answer is "Create a 15-20 second video." A 15-20 second video is considered a best practice because it is short enough to maintain the viewer's attention while still providing sufficient time to effectively showcase the newly launched products. This duration is ideal for delivering a concise, engaging message that highlights the key features and benefits of the products without losing the viewer’s interest. Shorter videos are more likely to be watched in full, especially in fast-scrolling environments, and they also tend to perform better in terms of both engagement and ad recall. In contrast, featuring the product only at the end of the video may cause viewers to lose interest before they reach the end, and a 40-second video could be too long, potentially reducing viewer retention.