They inserted ads into the default new tab page at some point as "sponsored shortcuts" and "sponsored stories", although I think those options defaulted off for

They inserted ads into the default new tab page at some point as "sponsored shortcuts" and "sponsored stories", although I think those options defaulted off for existing Firefox installations. Honestly though Mozilla should just cut the bloat that makes up the majority of their budget, bank the Google bucks while they're still getting them, and turn that into a sustainable endowment. Unfortunately the C-suites of large, failing organizations can justify larger salaries for themselves than small, successful ones I guess.