Spam swarms

NY Times: Law Barring Junk E-Mail Allows a Flood Instead: "Since the Can Spam Act went into effect in January 2004, unsolicited junk e-mail on the Internet has come to total perhaps 80 percent or more of all e-mail sent, according to most measures. That is up from 50 percent to 60 percent of all e-mail before the law went into effect."