Of the many curious applications that are in Facebook, I just found one that is very striking and that I want to share with you; is about relationship book. This apps is designed to know the sentimental situation of our friends on Facebook, all visible on a single page, in the pure style of a book, as its name says.
Simply press the 'Get Started' button and then grant the respective access permissions to our account, so that instantly relationship book make a list of our contacts, showing their emotional states within the reach of a single page.
The visualization can be organized by lists, in grids or by categories according to the state as seen in the previous sample capture. It is also possible to search by name and apply filters by gender.
Link: relationship book