We need to invent something that does the opposite now where individuals could wear something that prevents them from showing up in someone else’s content without explicit digital consent (some sort of personal scrambler). I don’t think the LED feature listed on this product page will often be honored by most people who will use these shades
We're nearly at the "Foundation" levels of surveillance tech, but with no countermeasures in sight to oppose that. Even resisting web browser fingerprinting is difficult.