Because we live in a very visual world, excellent video projection or display is no longer a “wish to have” extra system in churches. It has become a necessity in effective audiovisual systems. Many studies have been done to show retention rate is increased by adding visuals to a spoken message. Interestingly,   the older the demographics of the audience, the greater the benefit of a projection or display system. For example, displaying text on the screen keeps audience members from having to take their eyeglasses on and off, which means their attention is focused on the platform.