<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Hagbard Viking:
That's most likely true. On the other hand, how do people who are not into mileage running learn about an undocumented feature like the challenges in the first place?</font>
There are lots of elite flyers with other airlines who call or fax AA and asked to be comped to Gold or Platinum status. I would think that many of them are told about the challenges.