But Clarke says users will simply ignore junk documents, much as they ignore junk e-mail.

FORBES: A Rebel Without A Copyright

At this point, I recalled a long-ago futile effort to unclog my junk e-mail account.

FORBES: No E-mail About Your Borders' Shopping History Being Sold? (Or, How Privacy Protection Measures Can Backfire)

The law, which was overwhelmingly passed by Congress last year, makes it a crime to send junk e-mail using misleading subject lines or false return addresses.

ECONOMIST: Can they can spam? | The

He identifies Asia and Europe as the source of a large percentage of the world's junk e-mail, as well as other countries that are well insulated from American prosecution and lack strong cybercrime laws.

FORBES: The Spam Bust That Wasn't

Moreover, even if most American spammers are somehow shut down, overseas ones will have few inhibitions, out of reach of American law (though Microsoft has already gone after one or two junk e-mail senders in other countries).

ECONOMIST: Can they can spam? | The

Before now many spammers have recruited home PCs to act as anonymous e-mail relays in an attempt to hide the origins of their junk mail.

BBC: PC hard drive, Eyewire

While free Web services produced just 6% of the Internet's pill-hawking and scam-pitching e-mail a year ago, automated spam programs exploiting Web e-mail services now produce more than 12% of digital junk mail, with Microsoft's Webmail services alone accounting for around 4%.

FORBES: Magazine Article

The tough policy means that online shops and e-commerce websites will be shut down if the visitors they get have arrived because of a junk mail message.

BBC: NEWS | Technology | Net firms set sights on spammers