What is DOOH (Digital Out of Home) Advertising?

Digital Out of Home (DOOH) advertising has seen huge growth in recent years and is forecast to continue growing.

But digital out of home isn't just a buzzword; it's a huge shift in how brands communicate in the physical world. It takes the power of traditional outdoor advertising and injects it with the flexibility, targeting, and measurable insights of digital media.

Creating DOOH ads isn't about slapping a poster on a digital screen and walking away...it's about creating dynamic, contextually relevant connections with consumers as they move through their day. And with the opportunities to manage your own DOOH advertising network using affordable software such as digital signage, the world of billboard and digital OOH media is more accessible than ever.

Let's dig into the world of digital out of home and look at how it's used and how you can use it to benefit your business.

What is DOOH?

DOOH stands for Digital Out of Home. The 'out of home' refers to any form of advertising or content displayed on a digital screen in a public place.

It's an evolution of traditional Out of Home (OOH) media, such as static billboards, transit posters, and bus shelter ads - even those 'Golf Sale' signs that you still sometimes spot. The key difference is the transition from a static, printed message to a dynamic, remotely managed digital display.

The market for this innovation is substantial and growing quickly. The global DOOH advertising market size was estimated at $20.74 billion in 2024 and is projected to reach $39.12 billion by 2030, reflecting a Compound Annual Growth Rate (CAGR) of 10.7% from 2025 to 2030 (Grand View Research).

This growth is fueled by increasing demand for engaging, interactive displays, and the ability to combine OOH's mass reach with digital precision.

Key characteristics of DOOH include:

• Dynamic Content: Screens can show full-motion video, animation, or a rotation of multiple advertisements, keeping the display fresh and captivating.
• Remote Management: Content can be updated instantly from a central control system, often via a digital signage software platform.
• Contextual Relevance: Ads can be triggered by real-time data or scheduled to match time of day, making the message significantly more relevant to the viewer. For example, a fast food brand could display their lunch options throughout the day, and then switch to meal deal specials to hit the evening rush hour.
• Measurability: Unlike static print, DOOH can leverage technologies like mobile location data, QR codes and proof-of-play to provide real-time metrics on impressions, engagement, and even post-exposure actions like store visits or web searches. Studies show that 65% of consumers take an action (search, store visit, social post) after seeing a DOOH ad (Eskimi).

How does DOOH differ from billboard advertising?

While a digital billboard is a prime example of DOOH, the shift from a traditional, static printed billboard to a digital display fundamentally changes the medium's capabilities.

The most significant difference is agility. A traditional billboard is a monolith, fixed, unmoving, and costly to change. DOOH is a fluid platform that allows advertisers to be hyper-responsive, running a campaign in the morning, switching to a different one at lunchtime, and responding to a current news event an hour later.

This dynamic capacity is why 80% of consumers find DOOH ads on digital billboards more engaging than static billboards (WifiTalents).

Is DOOH an effective advertising medium?

Digital out of home screens can be highly effective, especially when considering alternative advertising channels.

DOOH screens are often positioned in high footfall locations, or in places with a captive audience such as a waiting rooms, bus stations or shopping malls. That means that they have a typically higher dwell time, or view time, than other advertising channels, including personal devices.

As an example, a display ad on the internet might have a dwell time of a few seconds. A print ad in a magazine or newspaper might have a dwell time between 2 to ten seconds, and direct mail has a dwell time of up to one minute. However, print advertising needs to be physically in the hands of the audience - with print runs being able to give a rough idea of impressions.

A DOOH screen could have a dwell time from seconds to many minutes, depending on it's placement.

A digital billboard at a busy road junction might be viewed by thousands of people per hour, or a screen in an airport might be viewed by a highly captive audience multiple times over the course of a few hours. Depending on the footfall, this can be a highly effective way of positioning your branding.

In short, digital out of home screens can be one of the most visible and effective forms of advertising.

Popular uses and placements for DOOH screens

While traditional out of home advertising has often been focused on high traffic streets, or downtown areas, modern DOOH isn't confined to these locations. Modern digital billboards have colonized virtually every public space where people dwell, wait, or move.

The applications for digital OOH fall into three main categories: Large Format, Place-Based, and Point-of-Purchase.

The growth of programmatic DOOH (pDOOH) is further expanding these uses. Programmatic platforms allow advertisers to buy ad placements across a global network of screens in real-time, targeting specific audiences based on data.

For instance, an auto insurer could bid to display its ad campaign only on screens near a major highway exit or slow moving arterial roads within a specified time frame, ensuring their message reaches its target audience at an optimal moment.

Is DOOH just for advertising?

No, digital out of home screens have uses beyond simply promotional means. DOOH screens can also be used for relaying important information in a highly visible format. A good example of this is at live events, where large format screens can relay upcoming schedules, safety information and even emergency alert information.

Thanks to their large size, the hardware and digital infrastructure behind DOOH screens can also be a great way to stream live footage.

An example of this is with ScreenCloud being used at the America's Cup in Barcelona, where screens were used for streaming the action as well as sharing promotional messages.

ScreenCloud has also been used at music festivals including Lollapalooza, as well as countless corporate events.

Using digital signage to create a DOOH network

For a business, a DOOH network is a powerful asset. A fleet of strategically placed digital screens that can be centrally controlled for advertising or communications. And with access to affordable software and screens, it's easier than ever to create a digital ad network.

The foundation of any DOOH network is digital signage software (like ScreenCloud). This software is the crucial component that bridges the gap between a static display and a dynamic advertising medium, and gives content managers the power to remotely control and schedule messaging and much more.

1. Central Content Management: The software allows an advertiser or a venue owner (e.g., a mall operator or a transport authority) to manage content for hundreds or thousands of screens from a single dashboard. This is how real-time changes are executed instantly across a whole network.
2. Scheduling and Rotation: Digital signage software enables the rotation of multiple advertisements on a single screen (a "loop"). This maximizes the screen's commercial value by selling multiple ad slots. It also facilitates precise scheduling, ensuring the right ad runs at the right time (e.g., running coffee ads during the morning commute and switching to happy hour ads in the evening).
3. Data Integration: Modern platforms can integrate with external data feeds to enable dynamic content. This is the core of DOOH's contextual power, and allows content managers to add more relevant information for their target audience, from breaking news alerts to traffic updates, or emergency information.
4. Proof of Play & Reporting: For advertisers, using a CMS such as ScreenCloud gives access to Proof of Play reports. This helps to verify exactly when and where an ad ran, providing the foundational data for campaign reporting and billing. This transparency is a massive leap forward from the uncertainty of traditional billboard impressions.

In essence, digital signage software is the brain that turns a collection of digital screens into a cohesive, monetizable DOOH advertising ecosystem.

Building a DOOH network with ScreenCloud

Whether managing a nationwide network of digital billboards, or a collection of screens for local ads, your content management software is the engine behind it all. ScreenCloud powers digital screens for outdoor advertising in a range of industries, from transport hubs and ski resorts, to shopping malls and local business.

Some of the reasons that digital advertising companies trust us is:

• Hardware agnostic: ScreenCloud powers any screen and works on most operating systems.
• Remote device management (RDM): Troubleshoot device issues without site visits. A life saver for IT managers with large screen networks.
• Powerful hardware: Our proprietary media players are designed to stream demanding content, from 24/7 displays and video ads - so your brand message stays consistent.
• Enterprise-grade security: End to end data encryption and one of the highest standards of security in the digital signage industry mean you don't need to worry...
• Total control: Featuring easy integration with over 80 apps, remote content management, user permissions and easy to setup and scale functionality, there is a reason more businesses choose ScreenCloud for their digital signage.

Whether you're setting up a screen based advertising channel, or you're looking at using screens across your business for multiple uses, try ScreenCloud.

Sign up for a free 14 day trial - or book a demo today.