There is a related blog post about what Mozilla is doing with the data collected from users who enabled Studies in order to get the hot fix. https://blog.mozil

There is a related blog post about what Mozilla is doing with the data collected from users who enabled Studies in order to get the hot fix. https://blog.mozilla.org/blog/2019/05/09/what-we-do-when-things-go-wrong/ https://blog.mozilla.org/blog/2019/05/09/what-we-do-when-thi... TL;DR is "In order to respect our users’ potential intentions as much as possible, based on our current set up, we will be deleting all of our source Telemetry and Studies data for our entire user population collected between 2019-05-04T11:00:00Z and 2019-05-11T11:00:00Z." (Disclaimer: I work for Mozilla)