This document provides information about an upcoming event hosted by the Chicago Chapter of the American Marketing Association on April 25, 2013 from 6-9:30pm at 1871. The event titled "Big Data....Big Relevance & ROI" will feature expert speakers discussing how leveraging big data through analytics can provide benefits and improve business performance by up to 41% over the next three years. Attendees will learn best practices for developing effective data-driven marketing and business intelligence strategies and how to measure results. The event is expected to draw 100-125 marketing professionals and will include a reception with food and drinks.