Quick note on this one. ETags have been used for years, but there is a court case from 2011 and before, speficaly noting this ETag technology as undeletable coo

Quick note on this one. ETags have been used for years, but there is a court case from 2011 and before, speficaly noting this ETag technology as undeletable cookies. Was just a click away from the Wikipedia page. So I think anybody using it, would have an huge issue with the laws. Personally, I think the tracking pixels are more interesting to look at. https://www.extremetech.com/internet/91966-aol-spotify-gigaom-etsy-kissmetrics-sued-over-undeletable-tracking-cookies https://www.extremetech.com/internet/91966-aol-spotify-gigao...