American Airlines: 100 Free AAdvantage Miles
American Airlines just launched their Summer Miles Challenge on their Facebook page and are giving away 100 free AAdvantage miles to everyone and you enter for a chance to win up to 100,000 AAdvantage miles.
You can use this offer to extend the life of you existing AAdvantage miles, that they should not expire. Just to note, if you miles are expiring soon, these miles will only post to your account 6-8 weeks after the end of the promotion.
Click here to go to offer.