Whether you are presenting in a big seminar or inviting your friends to your home for a movie night, a projector allows you to give you a larger-than-life feel. It is like an inverted camera, which throws light out of a lens, but does not receive it. A projector offers more screen space than a television or a laptop--it is probably the most flexible and easiest way to share presentations or get a theater-like feel for a movie. Choosing the right projector can be quite easy, as long as you know your prerequisites. To help you find the best projector in the market, we have put together a guide to help you.