1. Pinterest is a social media site where users can save, organize and share images by pinning them to virtual boards.
2. To use Pinterest, users must create an account which involves providing personal information. The site's Terms of Service are not prominently displayed.
3. The Terms of Service outline that user content and information is publicly searchable by default and can be used by advertisers. It also states users are responsible for ensuring they have rights to any pinned content.