Forecast: One hot year for ad spending

Media economy will see biggest gains since 2004, up 4.8 percent

June 17, 2014 -The media economy is about to experience its biggest boom in a decade.

The latest forecast for U.S. ad spending this year is growth of 4.8 percent, which would be the fastest pace since 2004, when advertising was pulling out of its post-9/11 spiral.

That's according to London agency ZenithOptimedia, which released its updated predictions yesterday.

This year's growth will be a full point higher than 2013, when ad spending grew by 3.8 percent. It's also up a tad from 2012, the last election year, when political and Summer Olympic advertising pumped up ad spending by 4.6 percent.

This year the World Cup, a midterm election and the Winter Olympics will fuel much of the increase.

But not all media will see the benefits.