Yodel Mobile by NP Digital, the award-winning app marketing agency, has today announced its partnership with Zenni Optical, America’s largest online eyewear retailer, to unlock mobile growth across the U.S. with a sharp focus on data-led decision-making and performance reporting. Founded in 2003, Zenni Optical disrupted the eyewear industry with a bold mission: to make high-quality, stylish vision care affordable and accessible to everyone. Over the past 22 years, they have delivered on tha...