The direction will be composed by the amicable URL and @facebook, doing that the communication with any user of the social network is simpler.
The most popular social network of the planet announced that it is granting an email address to every user, in a moved to try to monopolize part of the traffic that there obtain the services of web e-mail, specially Gmail, which forms a part of Google's ecosystem +.
East service known as Addresses, will be available for those users who have chosen to have a "amicable" URL: for example, the user www.facebook.com/redusers will have the mail email@example.com. The users who still have not registered this URL can do it in www.facebook.com/username.
Thus, to send a mail to a person will be simple enough, since only we will have to know the " amicable URL " of this contact. Facebook indicated that it is liberating gradually this functionality.