Mozilla makes money by setting Google as the default search provider: http://allthingsd.com/20111222/google-will-pay-mozilla-almost-300m-per-year-in-search-deal

Mozilla makes money by setting Google as the default search provider: http://allthingsd.com/20111222/google-will-pay-mozilla-almost-300m-per-year-in-search-deal-besting-microsoft-and-yahoo/ http://allthingsd.com/20111222/google-will-pay-mozilla-almos... I assume Opera makes some money this way, along with the Opera Mini deals you mention.