Facebook Started email Service

Facebook has just started a innovative idea of email service. If you are registered on Facebook then you can get email service.If you are having Facebook URL as http://www.facebook.com/xyx then your email ID will be xyz@facebook.com.If you are looking for some special email ID then you have to change your URL to get that email. For changing profile link click on Account setting under account tab> select change username under Username,select the account name and check its availability. Once you have changed the username then it will become as your email ID. With the help of this service you can alteast  know the profile of the person who has sent you mail using Facebook email service.So what are you waiting for get your desired email ID using this technique at facebook domain.