Megan Koehlmoos and Sandra Stone of B2E Direct Marketing Inc. will discuss Big Data and how it is being used at Wednesday's Association for Women in Communications luncheon. The event will take place from 11:30 a.m. to 1 p.m. at the Urbandale Public Library, 3520 86th St. Registration is $20 for members and $25 for nonmembers, and is due by noon on Monday. Registration and more information can be found online.