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A short distance from EduComm, THE expo floor at InfoComm offered plenty of ways to spend stimulus dollars.

Twenty years ago, projectors had three "guns," weighed between 80-120 pounds, were the size of a coffee table, and took a crew of technicians a couple of days to install and converge. They were dim, expensive, and finicky machines, but the one advantage they had over today's bright, ultra-portable, and inexpensive projectors was that you could come into the classroom or lecture theater and pretty much count on still finding them, on the ceiling, where they were yesterday. Theft wasn't an issue.