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Mozilla to put ads in Firefox address bar suggestions
(support.mozilla.org)
A place to discuss the news and latest developments on the open-source browser Firefox
I don't know about how Vivaldi works, but Brave stans can shut up. Their ad system is a hundred times worse than Mozilla's.
I mean, I don't like how they went about this either, but considering the alternative of a 100% Google dominated browser space, and the fact that you can just disable it and the base Firefox code is still open source, it's not a huge deal.
I rarely use closed source software. My exceptions are
Vivaldi just works so wonderful. Once you use it you can't go back (Check out the in browser mail client). I really wish they were FOSS though.