Facial recognition is a proven technology - it's even used as proof of identities in certain courts in the world. The capability of this technology extends beyond recognizing a simple flat photo to actually capturing and identifying people from live video shots of masses of people in a crowd.
The article aims to share a few technologies to counter this.
Cartoonize your photo - you can still see your face and be recognized, but the image is in the form of a cartoon.
https://vanceai.com/toongineer-cartoonizer/
Altering photos - the aim is that the photo still looks very much the same to the human eye but can fool the AI / ML recognition algorithms.
http://sandlab.cs.uchicago.edu/fawkes/#code
