"In virtual reality, interested parties are able to track and store every micro-movement, gesture, eye gaze, speech, etc., in much the way that the content of e-mail and instant messages can be recorded."

In conclusion the company in charge of this data will be able to build quite a detailed profile of the user and pairing it with data from social behaviour it is even more frightening to think what they'll be able to use it for.

cough cough metaverse