Talking cellphones with senior citizens

Him (strong British accent): I've got one of those blue things in my car for driving.
Me: Bluetooth?
Him: That's it. Bluetooth. By the way, people in this area are crazy. I try to tell them what numbers to call but they never understand me. They're deaf or crazy.
Me: It's actually just a computer. Voice recognition is just a computer program on your phone.
Him: Oh. Well, where do these Bluetooth fellows broadcast from anyway?
Me: Hm? What do you mean?
Him: They come in through my car speakers. Where do they broadcast from? Ontario? Montreal?
Me: ...