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Australian online advertising has surged again to deliver 33 percent year on year growth for quarter ending 30th September 2015, reaching $1.565 billion the quarter. The data, which comes from the latest IAB/PWC Online Advertising Expenditure Report (OAER), shows that General Display advertising was the leading sector for the quarter, achieving 53 percent year on year growth; while Classifieds grew 28 percent and Search & Directories grew 21 percent.