Pinterest has been under fire lately with accusations that their site is nothing more than a place for people to indiscriminately use copyrighted material for their own ends. The powers that be at Pinterest have said that they will address that in the future, but meanwhile, they have made a small overture to helping stem the flow of copyrighted material on their site.
Twitter is now making available on its Help page a piece of code with a metatag inside. In response to this question:
What if I don't want images from my site to be pinned? -- We have a small piece of code you can add to the head of any page on your site:
meta name="pinterest" content="nopin"
When someone tries to pin something from the site using the Pin IT bookmarklet, they get a message that says:
"This site doesn't allow pinning to Pinterest. Please contact the owner with any questions. Thanks for visiting!"
If you try to paste the URL in directly at Pinterest, you get this message:
"We couldn't find any images: This site doesn't allow pinning."
Of course, there is a work around. You can still save the image directly and upload it as "your own" to Pinterest. But, it may seem more like due diligence on Pinterest's part to assuage the copyright owners who have been up in arms for the past week.