ÁñÁ«app¹Ù·½ÍøÕ¾Èë’s chapter of the American Advertising Federation will host a Digital Marketing & Advertising workshop at 4:15 p.m. Thursday, Feb. 21 in McEwen 011. Katie Mooney, senior interactive account executive at Erwin-Penland, will touch on key topics in the digital marketing and advertising world.