An independent evaluation found positive impacts in literacy centres using Kinkajou projectors.

UNESCO: Support for the Quality and Equity of Education

But he says that the next generation of digital projectors, using lasers instead of lightbulbs, will mitigate that problem.

FORBES: Magazine Article

The professors, in the good schools great scholars, are unaccessible because they drone their lectures to auditoriums filled to the brim with hundreds, often using broken, hissing microphones, manually changing slides on actual slide projectors.

FORBES: Does Higher Education Need To Go Back To The Fifties?