Don't Know Why I Was Suprised

I don't know why I was surprised when several of my students reacted to Skype's start-up sound that occured when I turned on my personal laptop today in class today. Having asked many people if they use Skype I guess I assumed that Skype wasn't used wide spread because most of them had no idea what Skype is; now, I realize that I was wrong. My challenge is to figure out if I can use Skype in the classroom of the school system I recently joined. First, I have to figure out who to ask in the school...