As attendance continues to slide at shows in nearly every industry across the country, show organizers are tapping their registration systems more than ever to help combat the effects of the economic downturn. Organizers are looking to registration data to help prove the ROI of their events to their exhibitors, sponsors and attendees. According to the 213 show organizers who responded to an online survey conducted by EXPO Magazine and Red Bank, NJ-based Exhibit Surveys Inc. in February, as a result of the economy, they’re employing registration practices such as increasing outreach to prevent no-shows (41 percent), increasing data mining of past attendee records (37 percent), offering more early-bird discounts (32 percent), opening registration earlier (31 percent) and providing on-site-only badge pickup (26 percent)