Facebook advertising campaigns generated a 3X or better return on investment (ROI) for 70% of campaigns and a 5X or better ROI for 49% of campaigns according to various third party methodologies. The document discusses making Facebook seamless across devices and examples of Facebook ad campaigns that drove sales, increased product trials, and improved brand perceptions, with some campaigns achieving up to a 4X return on ad spend. Measurement plans included reach, frequency, resonance, and consumer reaction.