Amplify, measure, and scale your brand's Amazon advertising performance with best-in-class machine learning automation and insights. Downstream is an enterprise-ready software solution that helps large brands and agencies automate and optimize their advertising campaigns to scale growth while improving ROI. In March 2021, Downstream joined Jungle Scout, the leading all-in-one platform for selling on Amazon. In March 2021, Downstream joined Jungle Scout, the leading all-in-one platform for selling on Amazon. Techstars Seattle '18