Yes, you can image ugly things with distributed methods like this. A problem in this case is that it is difficult to draw the line between what is still legal a

Yes, you can image ugly things with distributed methods like this. A problem in this case is that it is difficult to draw the line between what is still legal and what not. Paying people to add your web-page to delicious is probably not illegal. Although it kind of fakes interest for a web-site that may not exist, it is only a kind of indirect spamming with little effect on single users - probably even less harmful than many SEO techniques. As you said, interesting topic.