This document summarizes advertising performance on Instagram in February 2017. It shows that ecommerce retailers and mobile game advertisers are achieving significant returns and growth by advertising on Instagram. Data from two large ecommerce companies and two mobile game companies show large year-over-year improvements in key metrics like cost-per-install and average purchase value. While CPMs are typically lower and CTRs higher on Facebook, CPCs are often lower on Instagram, indicating strong ROI potential. The document recommends an integrated approach using both Instagram and Facebook for advertising.