Come to think of it, I can't remember the last time I've seen a teen using his phone for actually talking. I think my generation(X or Y or whatever) will be the last that used the phone as their primary means of communication. Even in the world of business the phone call is being slowly phased out. Really interesting article:
http://www.nytimes.com/2011/03/20/fashio...wanted=all
http://www.nytimes.com/2011/03/20/fashio...wanted=all