Americans conducted 15.2 billion core searches in January, with Microsoft Sites (including new search engine Bing) getting an 11.3 percent market share, up 0.6 percentage points versus December, according to new data.
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Bing takes further ground from Google in US searches
I use both Bing and Google search engine and i dont see much difference in their search results. I use google for searching hard to find academic topics and Bing for general search.