“…Based on a qualitative assessment of participants' privacy concerns before and after the course, the author concluded that the course increased awareness and concerns about data collection practices of social media providers. Similarly, Gruzd et al (2021) confronted 92 Facebook users with an intervention called "Data Selfie," which allows users to examine the types of algorithmic predictions that can be made from their own Facebook data (e.g., about personality, political orientation, or purchasing habits). They found an increase in privacy concerns after the intervention as well as a higher likelihood of engaging in privacy-protective strategies (such as using fake names or information, expressing dissatisfaction privately and publicly, etc.…”