Online Marketplace for Outdoor Advertising The global market for Outdoor Advertising is around $23 billion. Market fragmentation, lack of transparency and poor inventory management has created inefficiencies in the OOH business. AdHome is an online marketplace for outdoor advertising. Buying & managing outdoor advertising campaigns will now be as simple as GOOGLE Adwords! For OOH Media Buyers, AdHome offers advanced inventory search; targeting by demographic, ad format, locality, places and price. AdHome helps OOH Media Sellers expand their reach to: Local, National & International media buyers. AdHome also offers tools for better inventory management and analytics.