It's a relic -- a symbol of power just because of it's antiquity.  We've wired it right into the fuse box.  A computer microphone -- one of those cheap plastic boom mics people use for dictation and like net teleconferencing -- is wired directly into the current, and the ticker has a fresh roll of paper.  It's two-way communication, so we can speak to it and it can respond through the stock ticker. 