Whether you give presentations for a living or attend them only at seminars, you've probably sat through hours of digital slides and scenarios, overhead-projector transparencies and bullet points.

Technically, only one type of projection equipment – transmissive – qualifies as overhead projection, but the lines between competing analog presentation methods blur when less-experienced presenters ...

Thanks to tools like short throw projectors, students can collaborate together in any size room, anywhere in the classroom. Apps like Epson’s iProjection allow teachers to let their students connect ...

Slide shows and overhead projectors with images that are crooked, upside down, mirror imaged, or simply lost, are well and truly a thing of the past. Data projectors suited to PowerPoint presentations ...