Clever. But insidious. A poison that progresses with few or no symptoms to indicate its gravity.
The great mystery is why the corporate world does not unite and end this slow motion destruction of the web.
Spam and spy ware could not exist if it were not for the passive approval of the major credit car companies. If Visa, MasterCard, etc refused to process transactions from the business which use Spam and spy ware to market their products a vast majority of this activity would disappear.
A hacker can do 20 million dollars damage and in most cases be punished less severely than some kid who steals a 6 pack from 7-11.
I see virtually no effort track down and blockade traffic from ISPs and blocks of IP addresses used by spammers.
Your computer can literally be hijacked and mad unusable by an aboveground company which advertises its marketing services to Fortune 500 companies.
Companies which are actively and blatanly damaging millions of computers will have their lawyers threaten the companies which make programs to protect your computer, trying to force them to stop blocking the attacking software.