Incredible Pinterest image boards - Tech Talk - CBS News (CBS) - Pinterest is a social network where people make image boards to share photos in a collection. When an image is "pinned," it goes to a man feed where other people can either re-pin the image or follow the user or board. Here are some samples of unique ways people are using Pinterest. The New York Public Library, Art and Picture Collection has so many cool boards. They've rounded up examples of online stereographs and a collection of photos with the aesthetically pleasing golden ratio 1.6180339887.