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The app you are referring to is called FindFace

https://en.wikipedia.org/wiki/FindFace

Yes, thanks, recall FindFace’s logo. Still wasn’t able to find series of sad faces in public juxtaposed with super happy online photos, but this pic gives a sense of how creepy it is:

https://twitter.com/mikko/status/1014127790134882304

Sure there are number of companies scanning social media pics for face recognition, but another well know one is ClearView; one of their investors was bragging they had the app and would scan people to demo it:

https://www.clearview.ai/

Maybe this is what you are referring to? https://birdinflight.com/ru/vdohnovenie/fotoproect/06042016-... (Russian)

Linked from https://advox.globalvoices.org/2016/04/07/the-russian-art-of...

Which was itself linked from https://www.theguardian.com/world/2016/apr/14/russian-photog...

Thanks, not it, but super close; there number of examples of juxtapositions, but original article was specifically calling out the juxtaposition between real life and online.

Also, while not directly related to original post, these provide clear examples of how invasive surveillance and apps with features like this have the potential to be.

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