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Why do you use firefox?
(upload.wikimedia.org)
If it's free and open source and it's also software, it can be discussed here. Subcommunity of Technology.
This community's icon was made by Aaron Schneider, under the CC-BY-NC-SA 4.0 license.
And a second point here: how much of the remaining 33,59% belongs to Chromium-based browsers? Those still contribute to Google's monopoly over the web, so the final numbers are even worse.