Every four years, drupa, the world’s largest trade show covering the printing industry, returns to Messe Dusseldorf in Dusseldorf, Germany. This year, more than 260,000 attendees walked the 19 halls and approximately 1.8 million square feet of drupa 2016. This year’s drupa was held over 11 days, down from two weeks in 2012, and attendance declined from 314,000 in 2012. The trend was clearly toward digital and packaging printing, and among the nearly 2,000 exhibitors on hand were many ink manu...