Global search ad spend rose 15% in Q1 2013 versus the previous year according to the Kenshoo Global Search Advertising Trends report released today. That rise in spend was driven largely by a 62% increase in click-through rates and a 21% increase in clicks year-over-year. ; U.S. ad spend rose…

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Report: Global PPC Spend Rises 15% On Higher Click Volume And Click-Through Rates In Q1