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Edition #24

One Engineer, One Day, One Hundred Ads

Dan Toma·September 22, 2026·5 min read
Key Takeaway

When a single engineer ships a feature in a day and one prompt produces 100 ad variations, creative production stops being the bottleneck. The constraint moves to deciding which variation deserves budget, and most teams have no method for that.


FAQ

What does AI creative generation change about ad testing?

It removes production cost as the limit on how many variations you can make, which means the real constraints become traffic volume, human judgement about which variants deserve a test, and approval capacity for brand, legal and localisation review.

How many ad variations should a team actually test?

Set the cap from your traffic, not from what the tool can produce. Each variant needs enough impressions to separate a real difference from chance, and most accounts cannot evaluate more than a handful at once with any statistical confidence.

Does AI replace creative teams?

It replaces the production step, not the reasoning behind it. Someone still has to know why a winning asset works, which objection it answers and which moment it catches, and that knowledge comes from understanding the customer rather than from a model.

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