Pinterest: Do What We Say, but Don't Blame Us Afterward

So there's this new thing out there called Pinterest which is becoming extremely popular. Pinterest is essentially a web-based pinboard -- users can post images to a page that other people can view. The images can be collected from all over the web, and when an image is "pinned" in Pinterest it also links to the original site.

It's kind of similar in some ways to Tumblr, except that it's not a closed system -- you can go to a website that has a photo or graphic you like and "pin" it in your...