As noted by
cme2c above, the "new" aspect of this, which probably led to the email, is that one can now purchase this when checking in online, as opposed to only at kiosks.
Originally:
Originally Posted by
LamboRich
Q: Where and when is Mileage Multiplier offered?
A: Mileage Multiplier is offered to all AAdvantage members using Self Service Check-In machines located in the U.S., Puerto Rico and the U.S. Virgin Islands in conjunction with an eligible flight. An eligible flight includes travel within the next 24 hours on a purchased fare on American Airlines, American Eagle or the AmericanConnection carrier. Reservations including travel on codeshare flights, other airline flights and AAdvantage award tickets are not eligible. Note: In order to be offered Mileage Multiplier, your AAdvantage number must be in your reservation at the time of your transaction.
Now:
http://www.aa.com/i18n/disclaimers/m...plier-faqs.jsp
Q: Where and when is Mileage Multiplier offered?
A: Mileage Multiplier is offered to all AAdvantage members checking in for a flight via AA.com or when using Self Service Check-In machines located in the U.S., Puerto Rico and the U.S. Virgin Islands in conjunction with an eligible flight. An eligible flight includes travel within the next 24 hours on a purchased fare on American Airlines, American Eagle or the AmericanConnection carrier. Reservations including travel on codeshare flights, other airline flights and AAdvantage award tickets are not eligible. Note: In order to be offered Mileage Multiplier, your AAdvantage number must be in your reservation at the time of your transaction.