AdbizMedia Newsthe HOT List Total Media Ad Spend Growth Slows By RBR.com - September 24, 2015 0 Facebook Twitter WhatsApp Linkedin Email Global ad spending will grow, but at a slower rate than previously forecast. In 2015, total worldwide ad spending will reach $569.65 billion, according to eMarketer.Please Login to view this premium content. (Not a member? Join Today!)