A projection screen is an installation consisting of a surface and a support structure used for displaying a projected image for the view of an audience. Projection screens may be permanently installed, as in a movie theater; painted on the wall; or semi-permanent or mobile, as in a conference room or other non-dedicated viewing space such as an outdoor movie screening (open air cinema).
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Twitter users trolled Jack Dorsey so hard they had to shut off the screen during his TED Talk [Update]
Ted Talk organizers today hosted a conversation with Twitter CEO Jack Dorsey. The conversation went mostly as planned. It ...