A new study from researchers at UC Berkeley concludes that virtual reality users can be uniquely identified within a few seconds by looking at the way they move their head and hands. This is interesting but not surprising if you’ve been paying attention. If you value personal privacy, you are living in the wrong universe. Let’s start with what can be learned from your actions in VR, then zoom out for the bigger picture. The Berkeley researchers looked at data from 50,000 Beat Saber players, swinging their arms around batting at flying blocks synced to terrible music. It’s a tremendously...