A typical projector bulb lasts 2,000 hours (and newer ones, like LED lamps, can go up to 20,000 hours). But there are other factors that affect a projector's lifetime before it needs replacement. If you’re unsure about what to look for in your next projector purchase, this list will help you choose the best product.

Many suffer from glossophobia, the fear of public speaking. Reasons vary, from traumatic childhood experiences to the inability to imagine your co-workers in their underwear. Enter Microsoft PowerPoint. This program helps visually depict a presentation, whether it be for a class project or a boardroom meeting, or to convince parents to buy your first car.

Love them or hate them, projectors are the modern day soapbox. They give you the platform to present your case to a wider audience without compromising your content. Like most hardware purchases, however, they’re accompanied by a list of measurements and specifications you likely have little experience with.