Instagram story ads play between your followers’ stories, so they fit in seamlessly with other content. Because these ads disappear after they’re done running and users can’t access them again, they need to be engaging to make a lasting impact.
When this ad format was first introduced, you could choose only the Reach objective, with the goal of getting your ad seen by as many people as possible.
By: https://www.linkedin.com/feed/update/urn:li:activity:6288390369499443200 @PilarLazzati
