Security Technology Explained

How Billboards Are Evolving to Track and Spy on You

Dann Albright 23-08-2016

If you read tech news, you’re probably well aware that companies are collecting a huge amount of your data 6 Surprising Ways Your Data Is Being Collected You know that your data is being collected, mainly by your ISP and the surveillance apparatus of the NSA and GCHQ. But who else is mining cash out of your privacy? Read More : your ISPs are probably monitoring your internet connection, advertisers are collecting and collating everything they can, social networks develop profiles for you even if you don’t have an account Facebook Shadow Profiles: You Probably Have One Too [Weekly Facebook Tips] You think you're not on Facebook? Think again. Facebook no doubt has a shadow profile made just for you. You may recall recently that Facebook found a bug exposing personal details of 6 million user... Read More , and all sorts of mobile metadata gets collected and analyzed by cell providers and the government.


But there’s a new sort of collection that was rolled out recently, and it’s a bit more unnerving than the methods you’re probably used to. ClearChannel Outdoor is now helping advertisers track your movements on the street, whether you’re walking, cycling, or driving. As long as you have your phone with you, ClearChannel knows where you go.

How are they doing this? Spy satellites? GPS trackers on your vehicles? Private detectives following you everywhere you go? The answer is a bit more mundane but worrying nonetheless: they’re tracking you with their billboards.

What, Exactly, Is Going on Here?

The program sounds a little more sinister than it actually is, but there’s no denying that it’s a little disconcerting. Here’s how ClearChannel describes the system, called RADAR:

So, in short, billboards collect anonymized data that show detailed traffic and travel patterns; and because ClearChannel is one of the largest advertisers in the U.S., that means it has a lot of billboards to collect data from.

Sensors in the billboards detect your cell phone signal — much like an iBeacon Build a DIY iBeacon with a Raspberry Pi Advertisements targeted to a particular user walking through a metropolitan center are the stuff of dystopian futures. But that isn't a dystopian future at all: the technology is already here. Read More — and track your phone as it moves through a city (the same is being done in malls, too). Then that data is anonymized and sold in large batches, so no one can identify you personally.


By connecting that information with data from other providers, ClearChannel can also tell advertisers how many billboards people are seeing, their exposure time to those advertisements, whether or not they visit the store being advertised, and how people behave online and in front of their TVs How Marketers Track Your Behaviors When You're Offline Did you know that marketers and retailers are monitoring what you do offline, as well as online? Here are some of the interesting strategies they use to connect your online and offline lives. Read More after seeing the billboards.


One of the most unnerving parts of this program is the audience segments that advertisers can specifically track. At the time of this writing, the following are available:

  • Sports: NCAA, NFL, & NBA
  • Finance
  • Auto Intender
  • Movie Buff
  • Fashionista
  • Electronics
  • Moms
  • QSR Visitor
  • Home Improvement

These nine are bad enough, but ClearChannel says that it will be able to segment audiences into over 1800 groups in the very near future.


It’s obvious why brands would be interested in this aggregation of information: by better placing billboards and understanding consumer behavior, they can figure out exactly which types of advertising are effective and where to pay for advertisements, so they can get the most out of their ad dollars.

Because this is a new program, ClearChannel isn’t advertising its expected return-on-investment (at least publicly), but it seems like companies could get a fantastic value from the likely-considerable sum they’ll pay to ClearChannel for this service.

Here’s Where Things Get Scary

This might not seem like that big of a deal, but the whole situation gets more complicated when you take other companies into account. Much of the data that ClearChannel uses for this service is obtained from third-party organizations that collect and collate data about you.

That data, combined with the data from the RADAR program, paints a picture of you that you might not be comfortable having bought and sold.


Take, for example, Placed, one of the companies that works with ClearChannel. It specializes in tracking customers through stores, which means that pretty much every movement you make outside of your house could be tracked.

PlaceIQ is another partner that collects data from other apps to learn about consumer behavior. (If your apps asks for location permissions What Are Android Permissions and Why Should You Care? Do you ever install Android apps without a second thought? Here's all you need to know on Android app permissions, how they've changed, and how it affects you. Read More , it could be selling that information to PlaceIQ!)


Another company that hasn’t (yet) partnered with ClearChannel on RADAR is Immersive Labs, which creates software that allows advertisements to analyze your facial features and display tailored ads based on your perceived gender and age (two things that are integrated into the RADAR program).


And with all of the smart home devices that are already spying on you 5 Domestic Smart Devices That Are Spying On You Right Now As more and more electical items are released with Internet of Things connectivity, so online privacy and security becomes weaker. Our look at five domestic appliances currently spying on you should emphasise the problem. Read More , it seems likely that the things you do at home could be combined with your travels to create an even more complete advertising profile.

Although this and most other programs promise that they’re not selling any personally identifying information, the degree to which that’s true is debatable. By collating hundreds of pieces of information, it’s not too hard for companies to figure out who you are if they really want to. You’ll just have to trust that they don’t.

The Future of Ads and Tracking

Of course, if you’re a fan of targeted advertising, this whole situation might not seem too bad. Your data, combined with information collected from thousands of other people, will help companies to show you — and others — ads that might appeal to you (and, of course, use all the marketing tricks Do You Think Twice About These Online Shopping Traps Before You Buy? Retailers and marketers are using cutting-edge behavioral psychology to get you to buy their products, whether you need them or not. Do you know how they're targeting you? Read More they know to get you to buy things you don’t need).

And while privacy-conscious citizens and watch groups probably won’t ever let it get to Minority Report-like personalized ads, you might be seeing custom advertising solutions in the very near future. What A Futuristic City Of 2040 Will Look Like We don't need a crystal ball to show us what cities of the future will look like. Imagination and CGI are doing their bit, and today's fringe technologies that could be commonplace tomorrow. Read More

If you’re familiar with cyberpunk movies, books, or video games What Is Cyberpunk? An Introduction to the Sci-Fi Genre The world of cyberpunk is a great place to hang out, especially if you know what you're getting yourself into. Here's a crash course in cyberpunk to help you jump right in. Read More , this is all probably sounding very familiar: large, faceless corporations tracking every move that citizens make, monetizing absolutely everything under their power, lack of governmental oversight, and so on.

Because the innovations in advertising-related data collection aren’t often made widely known, it’s hard to say what will come next, but we’d love to hear what you think is on the way.

What will be next in the world of advertising-related data collection? Individualized ads for everyone? Or will people start to get angry about these types of things and coordinate a major backlash? How do you feel about having your movements monitored by the ClearChannel billboards?

Share your thoughts and predictions with us in the comments below!

Image Credit: Aaron Parecki via flickr

Related topics: Online Advertising, Online Privacy.

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  1. John Raymond
    September 13, 2016 at 5:46 am

    Thanks, Dann. I guess I knew most of this (absent the gory details). But somehow it is always worse after someone tells you that, yes, that horrid thing you thought was growing out of your head is really there. People ask, "But what do you have to hide?" And I often don't know what to answer. But I do know that power tends to corrupt and that with all this surveillance, the American Revolution would have been nipped in the bud. It's more about where it can go, even if the present situation seems OK to many people.
    Now please excuse me while I once again go check under my bed.

    • Dann Albright
      October 19, 2016 at 10:20 pm

      That's an interesting point about the American Revolution. I had never thought of it that way! And while it's true that most people don't have anything to hide, it's also true that things could change. If a certain party comes into power that looks down on a certain religion, or ethnicity, or philosophical point of view, or whatever, a lot of people now WILL have something to hide.

      Let me know if you find anything under your bed.

  2. Anonymous
    August 23, 2016 at 6:06 pm

    On the roads? Who controls these and sets the rules for billboard usage there ?

    Assuming this is public property, the government has every right to mange usage (at least to some extent). They should be the target and not businesses who have been legally allowed to place their billboards there under current restrictions.

    That businesses use their billboards in a way that benefits them should be no surprise. And don't be surprised if the government is benefiting from this either - perhaps in sharing data.

    • Dann Albright
      August 31, 2016 at 6:42 pm

      I have no idea if it's public land or not . . . though I would make an uneducated guess that it's not. It makes more sense to me that to erect a structure on a piece of land, you have to own it. As for sharing data with the government, that also seems rather unlikely, at least directly from the billboards. I doubt that there's an agreement in place, though some of the data collected probably does wind up on government servers at some point.