In one study at the University of California, Berkeley, in February, researchers could pick out a single person from more than 50,000 other VR users with more than 94% accuracy. They achieved that result after analysing just 200 seconds of motion data. In a second June study, researchers figured out a person’s height, weight, foot size and country with more than 80% accuracy using data from 1,000 people playing the popular VR game Beat Saber. Even personal information like marital status, employment status and ethnicity could be identified with more than 70% accuracy.
Blending virtual reality with artificial intelligence (AI) could turn into a privacy nightmare.
By analysing how people moved while wearing virtual reality headsets, researchers said, a machine learning model accurately predicted their height, weight, age, marital status and more the majority of the time. The work exposes how AI could be used to guess personal data, without users having to directly reveal it.

