SAN FRANCISCO & DUBLIN--(BUSINESS WIRE)--On the 2nd December in the US, Yahoo search was used three times more on Firefox 34 than on Firefox 33, according to StatCounter, the independent website analytics company. As previously announced by Yahoo, this month marks the start of its partnership with Mozilla. Yahoo is now the default search experience for Firefox 34 in the US, replacing Mozilla's 10 year relationship with Google. A special report from StatCounter Global Stats finds that Yahoo usag