I don't recall mentioning snail mail and in the context of this group, I 
think it's reasonable to assume that 'spam' means electronic junk mail.
In fact, I don't believe I've ever heard junk mail that comes by snail 
referred to as spam.
Sigh,
D
At 10:11 AM 3/7/2003, you wrote:
> Spam exists because there is an (almost zero) fixed cost associated with
> sending it out.
false.  snail mail spam exists despite having significant costs associated
with sending it.
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