A deal between Yahoo and Mozilla, to make Yahoo the default search engine for Firefox in the States is a coup for Marissa Meyer's firm and a blow for Google, which it's replacing. Tech expert Stuart Miles, from Pocket-Lint.com, says 'search' is going to change dramatically over the next couple of years and this is going to be a major challenge to Google's dominance.
Google's shares have lost about 5% in the past six months while Yahoo investors have seen a 50% increase in equity value. Yahoo is reported to be looking to make more acquisitions following the recent IPO of Alibaba.