Around 98 per cent of Google's revenue comes from consumer search advertising, dwarfing the company's enterprise initiatives. IT and business managers will have that in mind as a risk factor. Whatever the outcome, the words of Abraham Lincoln ring true in Google's case: "... in the end, it's not the years in your life that count. It's the life in your years."
Image: Google employees play volleyball in the campus | Photograph: Justin Sullivan/Getty Images
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