The Good Old Days
Starting in 1980, Alan Freedman, editor of this encyclopedia, used to lug a monochrome data projector to his computer literacy classes in order to show examples to non-technical managers. Projector, computer equipment and rolling cases together weighed more than one hundred pounds.
Twenty Years Later
In 2000, using Texas Instrument's DLP technology, Compaq introduced the MP1400 at slightly more than four pounds, one of the first lightweight data projectors. See microprojector. (Image courtesy of Compaq Computer Corporation.)
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