EPSILON Paris ( alliance of Soft Computing, Publicis ETO, Publicis Media Data Sciences, and the French EPSILON) is a company that focuses on outcome-based marketing. Epsilon has more than 50 years of experience providing the world’s top brands, agencies and publishers with award-winning data and technology. We enable marketing that’s built on proof, not promises™, across a suite of modular products spanning CRM, digital media, loyalty, and email. Epsilon is positioned at the core of Publicis Groupe’s operations around the world.