There's a great article in today's NYTimes called 'Old Fogies in Their 20's.'
It's basically about how the speed of technology is creating mini-generation gaps between people born just a few years apart. There's already big differences between how teens, 20-somethings and 30-somethings use email, text & instant messaging and it seems to be accelerating. I love this quote: "My friend's 3-year-old has become so accustomed to her father's multitouch iPhone screen that she approaches laptops by swiping her fingers across the screen, expecting a reaction." Definitely a different way of seeing the world.