--- title: Keen Blog | marginal ROI description: marginal ROI | Keen Decision Systems' blog offers insights about advancements in marketing measurement and decision support, and how marketers can leverage them to improve brand performance. --- - [Product](https://keends.com/product/) - [About](https://keends.com/about/) - [Resources](https://keends.com/resources/) - [Content Library](https://keends.com/resources/) - [Blog](https://info.keends.com/blog) - [Contact](https://keends.com/contact/) - [Login](https://keen.mida.io/#/login) - [tel:+19198271090](tel:+19198271090) [![Keen](https://info.keends.com/hubfs/KeenDecision_Septmber2018/images/keen_logo_with_slogan.png)](https://keends.com/) - [Product](https://keends.com/product/) - [About](https://keends.com/about/) - [Resources](https://keends.com/resources/) - [Content Library](https://keends.com/resources/) - [Blog](https://info.keends.com/blog) - [Contact](https://keends.com/contact/) - [Login](https://keen.mida.io/#/login) - [tel:+19198271090](tel:+19198271090) # Keen Insights [All posts](https://info.keends.com/blog/all) ### Subscribe Here! ### Recent Posts ### Posts by Tag [![Keen](https://info.keends.com/hubfs/KeenDecision_Septmber2018/images/keen_logo.png)](https://keends.com/) Model Your Brand Winning 401 Harrison Oaks Blvd, Suite 212 Cary, NC 27513 TEL: [(919) 827-1090](tel:+19198271090) EMAIL: [info@keends.com](mailto:info@keends.com) ##### Follow us on Social Media - - - - [Product](https://keends.com/product/) - [Login](https://keen.mida.io/#/login) - [About](https://keends.com/about/) - [Resources](https://keends.com/resources/) - [What Makes Us Different?](https://keends.com/about/what-makes-us-different/) - [Blog](https://info.keends.com/blog) - [News](https://keends.com/resources/news/) - [Contact](https://keends.com/resources/) - [Privacy Policy](https://keends.com/privacy-policy/) © Keen 2018