Pinterest is a virtual bulletin board that allows you to organize bookmarks, take notes, add photos, in a visual way into a social network. The concept is similar to pinboards where you attach notes and leaflets in the home and office. You can add web pages, photos, videos, and notes ... and they are saved according to your interests. You can even share your interests with other users on the site, commenting and exchanging opinions. The individual boards can also be inserted into a blog and a we... Registration not required.