It's pretty amazing to stop and think about the fact that there's a whole generation (arguably two generations, even) who have never seen a rotary telephone and have never heard a busy signal. Kids these days have had cell phones their whole lives. Heck, a lot of families don't even have home telephones anymore. And if they do, they're usually cordless. So what happens when preteens are presented with an old school rotary phone? Watch for yourself: