Empyr is a breakthrough online to offline (O2O) marketing platform that allows brands and marketers to buy revenue instead of ads. Until now, brands with a physical location that wanted to advertise digitally, would invest in cost per click (CPC) or cost per impression (CPM) advertising. The problem is, CPC/CPM can’t tell you your true ROI, because it can’t tell you which clicks result in in-store sales. Empyr has solved this aspect of O2O attribution with its Cost Per Revenue (CPR™) approach. Marketers get impressions and clicks for free, paying only for revenue generated from in-store sales.