Did you ever want to create a dream or goal book? Places you would to visit? Things you wanted to do? Love to do crafts and like new ideas? Looking for home decor ideas? Like trying new recipes? Or maybe visit the past? Like Motivation and Encouragement? You can do all this and more on Pinterest. As you find things you like you "Pin" it. You also create "Boards" to organize your "Pins".
I love it, and have figured out on how to create my boards, share pictures, etc. It is very easy to use. This is a very visual site, I think that is why I like it so much.
Here is what Wikipedia has about Pinterest
What's the history of Pinterest? How did it get started?