Why have I received an email or notification from Facebook?
You may receive an email asking you to confirm one of your Skype contacts as a Facebook friend. This email is sent to you by Facebook if your contact chooses to import his or her Skype contacts into Facebook. If you do not wish to receive these emails from Facebook, you can unsubscribe by clicking the link at the end of the email.
Please note that your email address cannot be seen by the Skype contact who asked you to confirm them as a Facebook friend.