Right now, direct marketers from around the world gather at DMA 2013 to discover and discuss the latest trends, insights and data-driven marketing best practices from business visionaries and top brands. But uncovering ways to improve your marketing spend, bottom line, customer engagement, use of data and technology isn’t as easy as attending a conference or visiting an exhibitor’s booth. Chief Marketer interviewed several DMers to find out what 2014 might bring in terms of big challenges. Our very own Grant Johnson was among the interviewees. Find out what he and the other DMers had to say.