Dan Shipton, CEO of mobile phone app development company BitMethod, will be the guest speaker at the American Advertising Federation of Des Moines' August luncheon. The luncheon will be 11:30 a.m. to 1 p.m. Aug 23 at Embassy Suites, 101 E. Locust St. Registration is $20 for members and $35 for nonmembers, and is due by noon on Monday. To register, click here.