The digital revenue category gained most, growing 23.2% to $3.0 billion in the first half of this year. Data also increased 7.8% to $900 million.
Print and trade show revenue also grew. Print revenue was up 4.9%, climbing to $3.9 billion in the first half, and trade show revenue increased 1.0% to $5.1 billion.
The BIN figures are tabulated using data from the Center for Exhibition Industry Research, Inquiry Management Systems, Interactive Advertising Bureau/PricewaterhouseCoopers and Outsell Inc.