Are You Okay with How Much Can Platforms Infer from Your Posts?
Dec 1, 2025
This week’s newsletter looks at how everyday habits on social media quietly shape our privacy and what recent research, videos, and articles reveal about staying in control.
One Reminder
In this powerful video, Data Protection Commission Ireland reminds us to pause before we post. Every time we share the lives of our kids online, we risk sharing their personal data with the world.
One Research Paper
This paper shows that LLMs without any training can infer Big Five personality traits from Facebook posts with accuracy similar to trained models. The authors highlight the potential for scalable psychometric analysis but warn of significant privacy and ethical concerns.
One YouTube Video
This video shows that the real privacy issue of targeted ads isn’t secret listening but how much companies can infer from ordinary data combined at scale. It argues that this quiet, predictive power reshapes our sense of privacy.
One Article
This article explores how major social media platforms like Snapchat, LinkedIn, and Meta implement differential privacy to protect user information while analysing large-scale datasets.
