Given the fragmented nature of the online display advertising market, industry players are increasingly looking for insights to help them navigate this ever-evolving space. For marketers, this forecast offers guidance on allocating ad budgets. For media and adtech companies, it is a handy tool for strategic planning. Specifically, it provides detail on how display spending — excluding social media — is segmented by media format, device, mobile platform, inventory source, pricing scheme, and industry vertical. For context, we also include offline ad spending by type.