A three-part video series with spam investigator Steve Linford... looking into unsolicited email and what you can do about it. (might sputter somewhat for dialuppers)
Part One - You've got Spam
Understanding the problem
Part Two - The Harvest
How do direct email marketers find you?... four ways that spammers get a hold of your address.
Part Three - Fight the Spam
Spamhaus.org fights the spammers head on. Find out how they do it, and what you can do to protect yourself from spam