American has been fined $90,000 due to failure to disclose the true cost of using vouchers they give away at the station. Appears that these vouchers couldn’t be redeemed online – only over the phone with a fee.
Read more at Tnooz
http://www.tnooz.com/2011/03/08/news/american-airlines-fined-over-lack-of-transparency-on-overbooked-flights