Free American Airline Miles 100-100,00

American Airlines has a game up on their facebook page called "Mystery Miles Journey". Simply click on this link, "like" the page, and enter your AAdvantage number. Prizes range from 100 to 100.000 miles. The miles will post in 3-5 business days. Even if you only win a 100 miles this is a great way to extend the expiration date of your existing miles by having activity on your account.