I'm not a fan of technology, for the sake of technology.
Most technology doesn't improve what goes on in the classroom. Typically, the technology merely allows the teacher to do the same old stuff in a new way. Big deal.
However, the class room remote control system highlighted in this NYT article has potential. If used correctly, it could help increase student motivation and increase student feedback. Of course, it could also be used as a glorified Jeopardy game which is not exactly an improvement.
Go read the story.