“These patent applications indicate that Meta has not learned its lesson, having been accused previously of storing users’ biometric data without permission,” Emma Taylor, a technology analyst at GlobalData, said in a statement, responding to the report. “It is likely that the same issues surrounding data privacy from existing social media platforms will be extended, or even exacerbated, in the metaverse.”
Source: https://www.coindesk.com/layer2/2022/01/19/meta-leans-in-to-tracking-your-emotions-in-the-metaverse/