A buddy of mine had a conversation this past thanksgiving with his grandmother. During the conversation, she asked him "Do you know what text messaging is?" Not, do you text? or do you know how to text? But what is it?
What that simple conversation taught me: despite the rise of technology, and the social web, and blogging, and twittering and facebooking and googling and mobile, folksonomy, enterprise web solutions:
A lot of people, are getting along JUST FINE, without it.