Many of us remember the old overhead projector from our school days. Think of a document camera as a contemporary version, capable of taking or relaying an image of whatever is placed beneath its lens ...

Carlos Soto is an award-winning reviewer and journalist with 20 years of experience covering technology and business within various sectors and industries. In the classroom, document cameras are like ...

John Breeden II is an award-winning reviewer and public speaker with 20 years of experience covering technology. Opaque projectors have been a part of classrooms for years. They were large boxes that ...