Mozilla CEO Chris Beard earlier in an interview disclosure They are exploring free value-added services in the future. Mozilla with Yahoo search engines in 2014, reaching the end of a five-year cooperation agreement, Yahoo to Mozilla to pay 375 million dollars a year, in Exchange for Yahoo the Firefox’s default search engine. This cooperation will end at the end of 2019, Yahoo now has to be bought, how will Mozilla as a principal source of income in the future is unknown, perhaps Microsoft will fill vacancies in Yahoo. Even so, Mozilla also needs to consider income diversification. Mozilla will provide what value-added services ? Mozilla do better than its rivals in terms of privacy, it may provide services such as VPN to further enhance privacy protection.