Sometimes there's a communications gap when dealing with the younger generation.
"I think I have a bad disc," I said to the store clerk. She wasn't convinced.
"How do you know the disc is the cause of your problem," she asked. "It could very well be that your DVD player is bad."
"No, no," I said. "I'm referring to the disc in my back."
I was talking about a herniated disc. She was talking about Justin Bieber - a typical conversation between Methuselah and a teenybopper.