article_snippet: Yahoo was once the leading search engine but has lost ground to Google and more recently Microsoft's Bing.
article_snippet: A total of more than 100 billion online searches are done each year by people around the world using Firefox browsers and this is expected to increase Yahoo's market share.
article_snippet: As of last month Yahoo accounted for 12.8 per cent of search volume in the US.
article_snippet: Google took 64.5 per cent and Bing had 19.8 per cent.
article_snippet: This is complicated slightly by the fact Yahoo is powered by Bing.
article_snippet: A total of more than 100 billion online searches are carried out each year  using Firefox browsers and this is expected to increase Yahoo's market share considerably.