Why might you want to review the ratio of views to ads shown on a video in two time periods?

1. To see which type of ad brought in the most revenue.
2. To see the effect of viewer engagement on ad rates.
3. To see how this ratio is trending over time.
4. To see how many subscribers watched the ad and commented on the video.

100% Correct Answer:

• To see how this ratio is trending over time.