> Please tell me this isn't true, but I heard that Arbitron
> can't use anyone who is cell phone exclusive (as in, phased
> out their home land line)Is that true?
>
> That must kill the 18-34 sampling rates.
>
.....
I'm guessing 80% of people in that range own some sort of a cellphone.
My guess is yes if that is true. Actually those numbers would be kinda useless.