This document discusses dynamic creative optimization, which allows creating different versions of the same creative based on rules to target the right message to the right user. It can efficiently create hundreds of creative versions and make frequent changes. Dynamic creative optimization identifies audience segments and optimizes creatives and performance. It provides benefits like increased ROI and savings of up to 50% of production time by delivering targeted, relevant ads. The document provides examples of how dynamic creatives can be customized and optimized based on attributes like gender, location, and spending amount.