This document discusses strategies for Facebook and Instagram advertising. It introduces Codalab as experts who help advertisers improve ROI through a data-centric understanding of conversions. Codalab offers advertising campaign setup and optimization, customized reporting, and training. The document then lists three things to learn, forget, and change regarding Facebook advertising, focusing on optimizing for the right actions and user experience, using pixel data to measure conversions, and improving security and strategic use of insights.