If there is one thing about the image sharing site Pinterest it is that it is easy to share your images with friends and others. However, this seems to have presented a new problem and it involves copyrighted images. This problem is proving to be such an issue that Flickr have disabled the PIN button that Pinterest members use to add an image to their boards.
According to a statement from Flickr given to CNet;
Flickr takes privacy and content ownership very seriously and is committed to continue to build features that protect members’ photos and videos. Flickr has implemented the tag and it appears on all non-public/non-safe pages, as well as when a member has disabled sharing of their Flickr content. This means only content that is “safe,” “public,” and has the sharing button (e.g., also for Facebook, Twitter) enabled can be pinned to Pinterest.
Source [PC Mag]