http://www.bonusmilesmpd94.com

United Airlines presently has a Friend Refer a Friend Promotion.
To refer your friends, you must access the link above and pre-register, insert your friends name and preferred email address whom wishes to become referred to join United Airlines.
You may refer up to four of your friends and earn 1,000 United miles per each friend you refer whom purchases a qualifying flight with United Airlines.
After your friends fly their qualifying flight, you shall be given another 2000 United miles per each of those referrals.
That would add up to yourself earning up to a maximun of 12,000 United miles for your four friends whom joined via your referral and paid for their flight based upon being a qualifying flight.

Some of the most needed qualifications are that your friends flights must NOT involve a Saturday night stay and they MUST obtain a e-ticket.

The qualifying paid flight classes are that of F,A,C,D,Y,B,E,M,U,H,Q,V,W,S or a T class fare.
Your friends must travel their complete roundtrip flight before 01/18/2005.
View the remainder of very detailed instructions at the link above and
REMEMBER to recall the United promotional code for this event is called:
MPD N94
This will ensure you are to obtain your earned and deserved miles from your friends having been referred by yourself and their paid flights.
Also, tell your friends to write down their new United airlines frequent flyer account number so they may earn more potential miles before their card were to arrive in the mail.
Good luck.