There are bright days ahead on the advertising expenditures front. Global ad spend is projected to grow 4.9% to $545 billion in 2015, according to ZenithOptimedia’s (ZO) Advertising Expenditure Forecast, although this is slightly below 2014’s 5.1% due to tough year-on-year comparisons from the Winter Olympics, World Cup, and the U.S. midterm election.
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