I'm not someone who believes everything has to be a political act. Politics is politics, web browsing is web browsing. So while I'm disgusted with Mozilla's recent firing of its new CEO for holding the same opinion of traditional marriage in 2008 as Barack Obama and Hillary Clinton did (but not yet as "enlightened" as Dick Cheney's), I'm not going to delete Firefox and switch to another browser.
Having my internet searches tracked bothers me, though, which is why I stay away from Google. I use Trackmenot (opinions differ on whether or not it's any good) in Firefox, and now my default search engine is Duckduckgo. I don't think either of these is going to keep me safe from government snooping, but they might make it harder for companies to identify me specifically.