mar 26, 1985 - Overhead projectors
Description:
In the mid-1980s, Overhead projectors, initially known as 'Transparencies', were starting to become popular. PowerPoint had not yet been created, so it was mostly slides made on cardboard that were projected onto a blank screen. They allowed for interaction and in business meetings as you could easily add notes and get feedback.
Added to timeline:
Presentation Applications
Date:
