Facebook now giving email address for all users |how to get?

Facebook recently includes a new feature which is giving mail address for its users.  To Get the Email address You need to get the invitation from Facebook.

To get the invitation click this link or go to this site:

In that Page you will asked to click the “Request Invite”
Click  that Button.

Facebook Request Invitation

If you are lucky you will get the mail address  like yourname@facebook.com.  Public username of facebook will be the mail address.
For Eg:
Profile/username

for this profile email address will be
username@facebook.com

If you don’t have a username you can go here facebook.com/username/ to get or click below