What’s the most efficient way to target one headline to 10 different audience IDs in a feed?

–What’s the most efficient way to target one headline to 10 different audience IDs in a feed?– –Add 10 columns with a different audience ID in each column– –Add 10 rows and 10 columns with an audience ID in each row and column– –Add 10 rows with a different audience ID in each row– –Add … Read more