Adbizthe HOT List Report shows slow global ad recovery now in its 5th year By RBR-TVBR - August 14, 2014 0 FacebookTwitterWhatsAppLinkedinEmail Global media management investment operation GroupM, today issued its biannual “This Year, Next Year” futures report, forecasting global advertising investments will reach $534 billion in 2014, a 4.5% increase over 2013. Please Login to view this content. (Not a member? Join Today!)