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First link was soon after and they had already regained 80%+ back. The second link was much more recent and appears to be continuing to expand.

https://archive.is/8bRBH

https://medium.com/@omarkorim/is-meta-really-moving-beyond-t...

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Thanks, but I don't really see how these articles support the claim that their ad network is more efficient. As you note, the first article has a single anecdata point about it actually being 10-15% worse, while the second one basically says 'trust me bro'. Also of note from the second article is the fact that the ad spend would actually increase.

Of course, if businesses are gullible enough to believe facebook when it fudges up some brand lift metrics without having a real impact on conversions, that's their choice. Trusting facebook to report any analytics is how you take your business behind the barn and help it pivot to video. https://en.wikipedia.org/wiki/Pivot_to_video

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