Source: http://www.businessinsider.com/chart-of-the-day-where-linkedins-revenue-comes-from-2011-5

LinkedIn is ready to hit the public markets tomorrow, raising $274 million.

So, what exactly is LinkedIn’s business?

Last year it generated $243 million in revenue through the first nine months of the year from three categories: recruiting, advertising, and subscriptions. The bulk of the revenue comes from recruiting, or in LinkedIn’s phrasing, “hiring solutions.”

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