Question
This is an easy one! Just go to:
http://www.worldperksvisa.com/emailpreferences
and then "opt in." Of course you must have a WorldPerks Visa card to do this.
Mac
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¡Viaja con Dios!
Answer
See:
http://www.flyertalk.com/forum/Forum35/HTML/002282.html
http://www.flyertalk.com/forum/Forum35/HTML/002266.html