Paper Prototyping is the technique to quickly come up with interaction concepts for the applications and software. With this Usability of a new design can be tested at first place. It gives idea to a user about the finish product. The user experience can be evaluated without spending lot of time and money for development.
The video here shows the Paper Prototype of a new website for purchasing books online.
It shows how different elements on website works. Through paper movement it shows the movement in real product. We can see that the site is so efficient that in just four navigation a user is able to find and purchase a book online.
