Thalys: Sounds of the City

Thalys: Sounds of the City

To encourage people to use the train to go and explore nearby cities, railway service Thalys creates three interactive billboards. Each billboard represents a city, and each is host to more than 1,000 unique sounds from that city.

Pedestrians who walk past these billboards are invited to plug in with their personal headphones and start exploring. So instead of using headphones to block out the city, they are made to use them to rediscover one.

When a billboard becomes a listening device

The mechanism is the whole point. A city map on a billboard doubles as an audio interface. Plug your headphones into different points and you unlock different sounds, turning a familiar out-of-home billboard format into a self-guided micro journey.

That matters because the interface makes exploration feel self-directed, which is why the destination becomes memorable before the trip starts.

In European high-speed rail travel, nearby cities compete on spontaneity and sensation as much as price or schedule.

Why it lands

This works because it flips a modern habit. Headphones usually remove you from your surroundings. Here they pull you into a destination you have not reached yet, using curiosity and discovery instead of discounts and slogans.

Extractable takeaway: If your audience already carries an interface, design the experience so their default behavior becomes your entry point. Then reward exploration with variety, so people keep trying “one more” interaction.

What Thalys is really selling

The real question is not how loudly you advertise a nearby city, but how quickly you make it feel explorable.

For travel brands, a sensory preview like this is stronger than another fare-led message.

The campaign sells proximity. You do not need a long promise about travel. You get a sensory preview that makes the next city feel close and personally explorable, even in the middle of your current one.

What travel marketers can lift from this

  • Turn passive media into a tool. If the unit does something, people approach it voluntarily.
  • Build a library, not a single message. 1,000+ sound fragments makes repeat interaction feel natural.
  • Use “rediscovery” as the hook. Familiar objects can become new experiences with one clever twist.
  • Let the audience choose the path. Interactivity creates viewer control and longer dwell time.

A few fast answers before you act

What is Thalys “Sounds of the City”?

It is a set of interactive billboards that let passersby plug in headphones and explore a city through a large library of location-specific sounds.

Why use sound instead of visuals?

Sound creates immersion fast and feels personal through headphones. It also differentiates travel advertising that usually relies on images.

What behavior does the idea exploit?

People already carry headphones and use them in public. The billboard redirects that habit from blocking out the world to exploring a destination.

What is the main metric to watch for OOH interactivity like this?

Dwell time, repeat interactions per person, and any measurable lift in intent or searches for the featured routes and cities.

How can another brand apply the pattern?

Identify a “portable interface” your audience already has, then design a physical touchpoint that turns exploration into the reward.

Volkswagen: Wolkswagen

Volkswagen: Wolkswagen

During a France vs Brazil football match in Paris, the LED boards around the pitch display a brand name that looks wrong. “Wolkswagen.”

Volkswagen leans into a simple human impulse. People love being the first to notice a mistake. So the campaign plants one at maximum scale and lets the crowd do what it always does. Point it out, correct it, and spread it.

The mechanism is the typo itself. A deliberate misspelling placed where 80,000 spectators and millions of TV viewers will see it, creating a wave of “they got it wrong” conversations that carries the real message. Volkswagen is present, watching, and ready to announce itself as a major partner of French football.

The psychology of a “correctable” brand moment

This works because correcting a visible public error lets people display attention and share the fix. Here, a “correctable” moment means a public cue that looks wrong but is safe and easy for the audience to fix. Noticing a typo feels like competence. Sharing it feels like helping others notice. The stunt converts that impulse into earned distribution, and it does it without asking anyone to watch a film or click a banner.

Extractable takeaway: If you want mass attention in a high-noise moment, design a safe, obvious “error” people can correct in public, then attach your actual announcement to the moment they point out and share the correction.

In live sports broadcasts, audiences are primed to scan for anomalies, and correcting them is a social reflex that spreads faster than the original message.

What the partnership announcement is really buying

The stated goal is awareness of a new relationship with French football. This is stronger than a standard sponsorship reveal because the audience helps distribute the news. The real question is how to make a routine partnership announcement impossible to ignore. The deeper goal is memorability. Sponsorship news is usually forgettable. A planted mistake is sticky, because people remember the moment they noticed it.

What to steal from this stadium-board stunt

  • Use one unmistakable deviation. The “wrongness” must be instantly readable from far away.
  • Make the correction harmless. The audience should feel clever, not manipulated or misled.
  • Deploy where attention is already concentrated. Stadium boards and live broadcast moments amplify small creative moves.
  • Ensure the reveal is clean. The moment must resolve quickly into the intended message, or it stays a gimmick.

A few fast answers before you act

What is the Wolkswagen idea?

A live stadium-board stunt that intentionally misspells “Volkswagen” as “Wolkswagen” to trigger public correction and attention, then uses that attention to support a football partnership announcement.

Why does an intentional typo generate more attention than a normal logo placement?

Because it activates a correction reflex. People engage to point out the “mistake,” and that engagement becomes the distribution channel.

What makes this feel like a live moment instead of an ad?

Placement and timing. It appears inside the live match environment, where audiences treat what they see as real-time context, not preplanned messaging.

What is the main risk with this pattern?

If the audience believes the brand genuinely made an error, the story can turn into ridicule. The execution needs a clear resolution so it reads as deliberate.

When should you use a “deliberate mistake” stunt?

When you have a time-bound announcement, a high-attention venue, and a brand that can credibly play with perception without damaging trust.

Plan: The Erasable Billboard for Girls’ Education

Plan: The Erasable Billboard for Girls’ Education

A large illustrated billboard appears in a busy city square. People donate, receive a simple eraser, and start rubbing away the artwork. As the top layer disappears, a second illustration is revealed underneath, shifting the story from girls working to girls going to school.

Plan has reported that tens of millions of girls worldwide are pushed into work instead of education, while in many less privileged countries boys are more likely to get access to schooling. To spark action, Plan and CLM BBDO created an erasable billboard with an illustration designed to be removed to reveal another illustration underneath. The billboard ran in central locations in Paris and Berlin. Passers-by were invited to donate in exchange for an eraser, then use it to change what the billboard showed.

Why the “erasable” mechanic is so strong

The mechanism does two jobs at once. It raises money, and it makes the issue understandable without explanation. The before-and-after is literal. Work disappears. School appears. The donor is not only informed. The donor performs the change. Cause-led campaigns should treat participation as the message, not a bonus layer.

Extractable takeaway: When the donor completes the transformation with their hands, the message becomes a memory and the donation feels consequential.

Definition-tightening: the eraser is not a gimmick. It is the interface, meaning the simple physical tool that gives the donor viewer control over the story. Because the act of erasing creates ownership, it makes someone more likely to donate, talk about it, and remember it.

In social-impact fundraising, participatory outdoor media can turn a small donation into a visible act of change that people feel in their hands.

The real question is whether your donation ask feels like participation or just passive sympathy.

What Plan is really buying

This is a public proof of participation. Instead of asking people to “care” in private, it makes caring visible, social, and shared. Every person who erases becomes a live endorsement that the issue matters enough to stop and act.

Steal this pattern: make giving tactile

  • Make the transformation physical. A tangible before-and-after beats a poster full of statistics.
  • Use the donation as the trigger. The action should only unlock after contribution, not before it.
  • Let participation create the content. The billboard changes because people change it.
  • Design for bystanders. Watching others erase is part of the persuasion.

A few fast answers before you act

What is the “Erasable Billboard” idea?

An illustrated billboard designed to be physically erased. Donors receive an eraser and reveal a second image underneath, shifting the story from girls working to girls going to school.

Why exchange a donation for an eraser?

Because it turns giving into an action. The eraser is a simple reward, but more importantly it is the tool that lets the donor create the transformation themselves.

What makes this more effective than a standard charity billboard?

It is participatory and observable. The public sees the billboard changing in real time, which builds social proof and makes the issue easier to grasp.

What is the main emotional lever?

Viewer control. The donor does not only learn about the problem. The donor performs a symbolic solution in front of others.

What is the biggest execution risk?

If the transformation is not instantly readable, people will not engage. The before-and-after needs to be obvious from a distance and satisfying up close.