Programmatic : making First Party data more fluide 💦

We’ve been hearing the same refrain for over 15 years:

"The right message, to the right person, at the right time."
But… how can we be sure we’re actually talking to the right person?
How do we judge the quality and origin of the audience segments we target?

A quick recap of the great data puzzle 🧩

1️⃣ First-Party Audiences (advertisers):

👍 High quality
👎 Limited reach, and very few advertisers sell them (with the exception of Retailers like Amazon, Valiuz, Unlimitail, leboncoin...)

2️⃣ Second-Party Audiences (publishers):

👍 Often premium (e.g., L'EQUIPE for sports, Les Echos for high-income earners/CSP+, JV - jeuxvideo.com for gaming, etc.)
👎 Rarely actionable outside of the publisher’s own network (unless using audience extension via Curator/DSP)

3️⃣ 3rd-Party Providers:

👍 Massive reach
👎 Highly opaque regarding data collection sources

💡 What if publishers and advertisers changed the rules of the game? Imagine a world where publishers and advertisers could seamlessly and transparently push their audience segments directly into DSP seats, with a clear percentage-based fee for monetization.

E.g., "Rugby Interest Audience - lequipe.fr - 20% fees"

The benefits:

✅ Greater transparency 🪟
✅ Higher quality/efficiency 🏆
✅ Fewer intermediaries 🛃
✅ A transparent alternative to walled gardens
✅ Additional revenue streams for new data providers
✅ Highly attractive for automated audience selection algorithms, which are bound to carry more and more weight in the future (e.g., The Trade Desk's Audience Unlimited)

Roadblocks to clear?

⌛ Time-consuming pipeline/tech set-up
⛔ A few guardrails needed on the DSP side to block certain categories/brands (for competitive protection). SSPs already do this for inventory.
💵 Operational costs—though publishers could pool resources through their alliances, and advertisers could outsource this management to their agencies.
♟️ A paradigm shift for publishers (who have traditionally focused on selling [media + data] bundles) and for advertisers (who aren't media networks or data providers by nature).

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At GreyFox Ads, we believe the quality OpenWeb brings real efficiency to advertisers.

We are a human-sized Adnetwork that helps Media Traders outside of France to address the French market with all our deep market knowledge focused in one "Master Curated Deal".
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