Is it Advertising, or Information?

For the past fifteen years, six magic words have eliminated almost all telemarketing calls from my life:

"Please take me off your list."

Because there's a potentially stiff ($10K) fine from the FCC for repeat calls, most companies do as I've requested.  But recently I had to resort to more severe methods when regular calls from a script reader with accented English offered a "free listing" in something that sounded vaguely like the Yellow Pages. After the fourth daily call when I started to...