Over on LinkedIn, my son Michael asked a great question:
Here’s a detailed answer from ChatGPT for advertising geeks:
✅ What is Andromeda (in plain English)
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Meta describes Andromeda as a next-gen ad retrieval engine — essentially the system that selects which ad (out of many) gets shown to which user. The MTM Agency+3Engineering at Meta+3Foxwell Digital+3
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It’s built on large-scale ML and high-throughput hardware (e.g., NVIDIA Grace Hopper superchips) enabling Meta to process vast volumes of creative/ad candidates, make decisions in real-time, and serve more personalized ads. Engineering at Meta+2Foxwell Digital+2
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The upshot: rather than manually finely segmenting audiences + creating a few ad variations, the system now thrives on lots of creative assets + broad targeting + algorithmic optimization. For example: “Andromeda can now scan thousands or even tens of thousands of ads in milliseconds.” Smart Marketer+2The MTM Agency+2
🔍 What’s changed / What the media-buyers are seeing
Yes — you’re correct on many of the bullets. Here’s a more structured list of what’s changed, and some extra ones you might not have seen.
Major shifts
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Audience targeting (narrow interest sets) is de-emphasized
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The old playbook: build many granular audiences, niche interests, multiple ad sets, test who responds.
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Now: the update prioritizes broad targeting (or even “everyone” within a country), letting Meta’s algorithm find the pockets of responsiveness. The MTM Agency+1
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Hard truth: If your agency/funnel is still heavily using ultra-segmented interest sets +
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