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The Hidden QR Billboard
The Creative:
In London, Spotify partnered with the virtual band Gorillaz to launch an interactive street campaign.
Instead of typical billboards…
They placed four murals across the city.
Each mural looked like a piece of street art featuring one of the band members.
But hidden inside every mural was something unexpected:
A QR code.
Fans who scanned it entered a real-world treasure hunt where they had to find all four murals.
Once they did?
They unlocked:
• Concert tickets
• Exclusive merch
• Signed memorabilia
• A personalized playlist based on their listening behavior
The campaign also connected with users’ listening data to match them with a Gorillaz character and generate a custom playlist.
1} It Turns Advertising Into a Game
Most ads interrupt people.
This one rewards curiosity.
The moment someone notices the hidden QR code, the ad transforms from:
Billboard → Game → Experience
That shift is powerful because it triggers exploration behavior, not passive viewing.
Psychology used:
• Curiosity gap
• Gamification
• Reward loop
Instead of running one billboard…
They created four separate locations.
Meaning:
The campaign forced movement across the city.
That turns the city itself into a multi-step marketing funnel.
Step 1
See mural
Step 2
Scan code
Step 3
Search for the other murals
Step 4
Unlock reward
This increases time spent with the brand dramatically.
Most ads get 3 seconds of attention.
This one gets hours.
Humans hate leaving things unfinished.
When someone finds the first mural…
Their brain instantly asks:
“Where are the other three?”
And thus the campaign becomes mentally sticky.
After scanning, users get matched with a Gorillaz character based on their listening history.
So the experience becomes:
Not
“Here’s our music.”
But
“Here’s YOUR Gorillaz identity.”
This taps into:
• Identity marketing
• Personalization bias
• Self-relevance effect
The murals look like real street art.
Which means people don't perceive them as ads.
And thus It ends up blending perfectly into the environment.
Which increased:
• Organic photos
• Social sharing
• Word-of-mouth