"The Supreme Court has passed up a chance to examine how far states can go to restrict unsolicited e-mails in efforts to block spammers from bombarding computer users." Read about it on CNN.com.
Many smart people have already pointed out to me that the net effect here is near nil. Jeremy Jaynes is still in jail, and the state of Virginia intends to try again by crafting a new anti-spam law in the near future.
John Levine points out: "Due to the peculiar facts and history of this case, the decision would be unlikely ever to affect anyone other than Jaynes, and he's still in jail on other charges, so in the big picture it's just a blip."