It's FOSS - https://itsfoss.com/firefox-looking-glass-controversy/
Brief: Mozilla’s latest Firefox release is better than Google Chrome, both in terms of speed and violating user’s privacy.
Mozilla Firefox is in news this month as well. Last month, Mozilla gained praises for its extraordinary Quantum release. This month, it has been ‘caught’ experimenting with users’ privacy without their consent.
If you are already using Firefox 57 Quantum, you know that most of your favorite extensions and add-ons don’t work on it.
What you might have missed that there is an extension called Looking Glass that has quitely slipped in your browser.
If you click on more, the