This is a living article, updated frequently with examples of how personal data about you is being collected. I will post in-depth discussions of these examples on my Psychology Today blog.

Last updated November 13, 2020

We all know that the data we post on social media is never really private, and we are cautioned to be careful about what we choose to share. However, when it comes to building profiles of us — our interests, our demographics, our behavior, and more — companies delve far deeper than just analyzing our posts. …

Jen Golbeck

Prof @ UMD iSchool, computer scientist, social media analyst

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