Today i will tell you about Facebook Awesome but less known things...
If we count the number of people connected on Facebook than it's a shocking but true that Facebook is a family of 600+ Million People. i.e. Facebook existed as a country and it would have been the 3rd largest country after China and India.
Facebook Team is quietly adding new features, so they can give great service to people, which many people don't know.

Type this URL :- http://www.facebook.com/<Your Facebook ID>?and=<Your Friend’s ID> in your browser to see it yourself.
Replace <Your Facebook ID> and =<Your Friend’s ID> with their respective Facebook Profile IDs/Vanity names.
2. Download Your Facebook Information
In your Account Settings Panel you will find the tool which help you to have a copy of all your photos and videos that you have uploaded, facebook. You can also download all your posts on your wall, messages, your friends list and some other content in a simple, browseable archived zip file.
3. See Your Facebook Impact
In Simple words, your Impact is the number of people that you’ve brought (referred) to facebook. Visit Facebook Impact to see your impact.
4. Facebook Photo Badges
Facebook provides badges for your latest photos that you can embed anywhere you wish. You can also choose the no. of photos that it’ll display and Layout type. Visit Photo Badges to create your own badge.
5. Friends Phonebook
Facebook also provides a phonebook with contact details of all your friends as well as contacts that you’ve imported from your phone in a single page. Visit your Phonebook Page.
6. Facebook Chat Smileys
There are over 26 smileys that you can use on Facebook Chat. Here’s a quick list of them:
Notice the first smiley is a face, he is Chris Putnam, a Facebook Engineer and the developer/programmer of Facebook chat.