Online, because of its real-time delivery model, is, in theory, a perfect place to execute remnant inventory deals. With historically low sell-through on a site or ad and page impressions increase dramatically and unexpectedly, having a hopper filled with remnant inventory deals is a great way to ensure you're maximizing the ad revenue off of your inventory.
Online, owing to its real-time delivery mechanism, is an ideal place for handling leftover inventory transactions. With historically low sales rates and sudden increases in page impressions, maintaining a supply of leftover inventory opportunities can enhance the revenue generated from advertising space.