![]() ![]() And its fundamental function hosted other uses it wasn’t intended for, like classroom operations and simple public speaking exercises (and not-so-simple ones like the TED Talks). Its timing with the booms of both the Apple and Windows operating systems-primitive as they were-cemented its growth. Its revolutionary and innovative approach to creating presentations gave it an edge over its more than thirty competitors. What happened? Microsoft PowerPoint happened. If not printed, then presenters would handwrite data to be projected on the transparencies. The bulky instrument became a mainstay in meeting rooms, but the processes to create one sheet of transparency were tedious and time-consuming (inkjet printing was still a new thing). foil or viewgraph), paper-sized sheets of cellophane. ![]() It had a simple principle of using light reflected upon mirrors to display data printed on transparencies (a.k.a. Now, you’d think that innovation is an everyday occurrence, but that wasn’t the case in the mid-1900s, especially for businesses.īack in the early 60s, Roger Appeldorn invented the first overhead projector. It’s hard to imagine life without the comforts of modern technology that people know today: smartphones, 24/7 Internet access, computers that basically provide anything and everything with the push of a few buttons, and the like.
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