Using transparencies with an overhead projector offers a powerful presentation tool. Many people rely on professional copy services to transfer a presentation from standard paper to transparencies.

What is the best slide projector? Slide projectors have been around for well over a century, providing the opportunity to take images and display them on a bigger screen for clearer viewing.

Many people ask me about projector choices, but few have a light-controlled room in which to arrange many of the units I recommend. Last season I threw a rather large Superbowl Party and became ...