John M. GambleSociologist Yves Jeanrenaud developed the app Nearby Glasses (currently only Android; an iOS version is coming he says) that detects #Meta glasses (often used for nefarious purposes) through their Bluetooth Company Identifier, and "displays a notification when a smart glass is nearby (distance may be customised)".
https://www.404media.co/this-app-warns-you-if-someone-is-wearing-smart-glasses-nearby/
This App Warns You if Someone Is Wearing Smart Glasses Nearby
The creator of Nearby Glasses made the app after reading 404 Media's coverage of how people are using Meta's Ray-Bans smartglasses to film people without their knowledge or consent. “I consider it to be a tiny part of resistance against surveillance tech.”
