A grid of ad spots sold first come, first served. Once every cell is taken, the grid doubles in size and the starting price doubles with it. Romain Simon in France; $35.60 verified through Stripe on 28 August 2026. Launch date not documented; listed on the day we first saw it.
Creator: Romain Simon · @romainsimon · 2,878 followersCurrency: USDUpdated: 28 Aug 2026 21:57 UTC
Space on a website or a screen, sold by pixel, slot or hour.
What is soldSpace on a pagePrice forms byTiers or rising priceLives onOwn websiteHow oftenNever endsNext buyer viaBuyers post about it · taxonomyMonetizationGrid of ad spots that doubles when fullPricingStarting price doubles with every grid expansionGoalNone statedInventoryGrid, grows by doublingLaunch platformXCore mechanicDoubling as the ruleRepeatableYes, it can sell again
How the mechanism works, and why it works here 7 of 7 blocks · the schema
Every project is taken apart with the same seven questions, each borrowed from a standard analysis tool, so you can compare this one with any other on the board. The funnel numbers come from the daily snapshots, not from the creator.
Post views, 30 days
0
public view counts of tracked posts
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Website visits (creator-provided)
0
no visit data
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Revenue, 30 days
$0
no visit data
1
What is exchanged
Value Proposition Canvas
A cell in a grid of ad spots.
2
How the price forms
Pricing mechanism analysis
Starting price doubles every time the grid doubles.
3
Supply and scarcity
Scarcity and inventory analysis
The grid, which doubles when full.
4
Growth loop
Viral loop analysis
Not documented.
5
Defensibility
Moat and clone analysis
None.
6
What can kill it
Failure mode analysis
Doubling supply halves the scarcity every time it works.
7
Why it works here
Editorial verdict
A neat rule with $35.60 behind it. On the watchlist.