Manifest is a product ads platform that helps retailers realize the potential of their catalogs by determining which products to promote across Facebook, Google and others. Customers have used Manifest to optimize over 14 million products in 4 billion ads and have generated over $70 million in ROI-positive revenue. Beyond retargeting, Manifest's Matching Engine helps retailers prospect for new customers as well as activate and re-engage existing customers by exposing them to products they have not yet discovered. Top retailers including Neiman Marcus, Gilt, One Kings Lane and LivingSocial use Manifest, which is backed by investment from First Round Capital, Softtech VC, Cowboy Ventures, and others.