Your email inbox probably receives a steady stream of spam, hawking everything from pills, to penny stocks, to bigger body parts. Does anyone really buy this stuff? Guests talk about who is sending spam, and why we can't seem to stop them.
Declan McCullagh, correspondent, CNETnews.com
David Cowan, co-founded Verisign, an encryption and security provider, writes the blog "Who Has Time for This?", on consumer Internet and information security