site, "sell", images that users have pinned? It is much more than preventing pinning, it is about fair use and not contributory copyright infringement Stock image sites and stock image photographers on the web to do business, can take all their work off the web, but that is why they are on the web, to conduct business properly and fairly and expecting sites to not encourage improper use of an item, is good practice I think you're saying that sites like Pinterest should respect copyright and not permit or do anything which encourages infringement by others. I agree with that. The issue re "fair use" is to do with transformation. I don't regard somebody pinning my image to another site and disposing of all the meta data re my copyright en route as any sort of acceptable transformation - and hence what Pinterest is doing is permitting illegal activity. The question is when the law catches up with them who will be paying the huge bill - given that every member agreed to indemnify Pinterest. I signed up on the basis that Pinterest would act lawfully and have systems which ensured others did the same - not systems which encourage ignorant people to behave illegally and to stay ignorant of the fault of their ways. I'd just like to see the site asking a very direct question - as per the TOS/member agreement - every time an image is pinned. 1) Do you own this image? 2) Do you have