Up until last year Microsoft enjoyed the fastest growth rate among the six search ad publishers for which eMarketer forecasts revenues. This year, the top slot will go to Amazon, which will increase its net US search ad revenues by 46.8%, followed by Microsoft at 34.3%. IAC, which owns properties including About.com, OKCupid and Vimeo, will enjoy the third-fastest growth rate—as well as the third-largest net US search ad revenues—this year. Read the rest at eMarketer.
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