Do you remember when you used to have to get up off of the couch to change the channel on your television? If you do, you're old like me. I was telling my college students the other day about how the new formats of media are actually changing the way we act and think. Consider the things that young people now have never experienced. Can you add to my list? 1) Physically turning the knob on a television to get a new station. In addition, we often had to adjust the rabbit ear antennas on the top of the set and sometimes still dealt with a scrolling picture. 2) Waiting for a movie to be released on television. I remember watching The Wizard of Oz once a year. Once a movie was shown in the theater, we often did not see it for years. VCRs changed our ability to see old movies. 3) Watching home movies on reel-to-reel projectors or, better yet, slides. I have a slide that shows my family watching slides. This was a big family event - to set up a screen and gather around a slid...