If you are looking for an academic paper or the technical mechanism that makes these extensions possible, you are likely thinking of the foundational research on and Graph-based Inference . Mshahdt Fylm Suburban Secrets 2004 Mtrjm Fydyw Lfth 2021
If you are looking for a specific modern paper that utilizes this technique, you might be thinking of research regarding or "De-anonymization attacks," which use these mapping techniques to target users for disinformation campaigns. Teeth Movie In Hindi 720p 34 Better: Ensures That You're
Here is the breakdown of the "paper" and the science behind the extension. The mechanism used by these extensions is documented in computer science literature as inference attacks or neighbor attacks .
There isn't one single paper titled "Facebook Friend Mapper," but there is a famous body of research that explains exactly how these tools work (and why they work even when privacy settings are strict).
It sounds like you are referring to the concepts behind tools often labeled as "Facebook Friend Mapper" or "Facebook Social Graph."
The most prominent example of this in the real world was the (or similar tools like "Marauders Map" in the past). These tools rely on a discrepancy between what users think is private and what is actually public.
This is known in research as 2. Relevant Academic Papers If you are researching this for academic interest, you should look up papers discussing "Privacy Leakage in Social Networks" .