Radio offers one benefit that no other medium can, portability. Radio is everywhere, in the car, the workplace and the home. Local radio, when used properly, enables one to target specific age groups and life styles. Radio is cost effective. It can reach large numbers of people frequently. Durham, Inc. has developed a radio formula for Perceptions and your church. Durham, Inc. began developing this formula when the concept was created in 1972. It is now in use throughout the United States and has become Durham, Inc.'s complete focus and specialty.