Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio products, ...

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.

“Businesses looking for high-quality mobile digital projection systems would be wise to add Ricoh to their shortlists,” said Dr. William Cogshall, president of Pacific Media Associates, a market ...