Firefox is open source. This is a good thing. Mozilla accepting contributions from the community (and crediting them) is very much a strength, not a weakness. Your reductive assessment is childish and reflects a complete lack of understanding of soft...
What a colossal waste of space. This whole extra margin for the extensions and "Customize Sidebar" button is aggravatingly obnoxious; when I close the sidebar, it should go away entirely, and when it's open it should _just_ be the sidebar, not this e...
