Pinterest has built a service around sharing much like Reddit but instead of using links it appropriates the content and tries to 'pin' that on the user. I full

Pinterest has built a service around sharing much like Reddit but instead of using links it appropriates the content and tries to 'pin' that on the user. I fully expect Pinterest to have to change the way they operate to make it more inline with a google images style of caching, where they assume the responsibility for reproducing the images. I think Pinterest just needs some smarter lawyers.