The Pew Report on the effect of spam on the internet has been released, and the findings are pretty grim. I personally delete upwards of 200 a day. Admit it- have you, or has anyone you've known actually bought anything advertised via spam? Who are the market for these people?

Stats:
25% of email users say the ever-increasing volume of spam has reduced their overall use of email; 60% of that group says spam has reduced their email use in a big way.
52% of email users say spam has made them less trusting of email in general.
70% of email users say spam has made being online unpleasant or annoying.
30% of email users are concerned that their filtering devices may block incoming email.
23% of email users are concerned that their emails to others may be blocked by filtering devices.
75% of email users are bothered that they can’t stop the flow of spam.
80% of email users are bothered by deceptive or dishonest content of spam.
76% of email users are bothered by offensive or obscene content of spam.