said 1 year, 1 month ago:
Many people don’t read the “manual” and don’t know what they are doing is “wrong” or they are informed about the rules but choose to not follow them since the web is so massive it’s often difficult to find “stolen” images.
As far as Pinterest goes, they actually have something written in their Acceptable Use Policy that states you are not to post user content that “infringes any third party’s Intellectual Property Rights, privacy rights, publicity rights, or other personal or proprietary rights”. Facebook has something very similar.
There is also another interesting thing to note in the TOS (terms of service) - How Pinterest and other users can use your content. Here, they explain that anyone posting their content to Pinterest (with the exception of people with certain profile settings) allows Pinterest and others to re-pin, re-arrange, display, reproduce, etc., their stuff on Pinterest. It’s a whole other story if you pull it off Pinterest and share it to another social network, website, blog, etc.