Double digit growth in digital advertising/marketing services, resurgent events and a growing data and information services business drove overall revenue for the B2B media and information industry up 2.7 percent to $28.35 billion in 2015, compared to $27.6 billion in 2014, according to Connectiv’s Business Information Network, which calculates the size of the industry, aggregating the data for total industry revenue from partners reporting on revenue for digital advertising, conferences and trade shows, print advertising, and data and business information products.