Lol, I've seen it, while waiting to ask a guy if something is compatabile with something, and someone is already asking them a question, it's like this.

Customer: Hey, i'm looking for like an internet connection.
Employee: Okay, what do you need? DSL? Dial up? Cable?
Customer: Well I already have cable for my tv, and i don't want to dial on my phone to get online, so how's the DSL?
Employee: :eh:


*Dramatization* No brain cells were hurt in the making of this skit.