AA mailing seeks more feet in the door

American Airlines has developed a foot fetish.

It might sound a little kinky, but it's actually an ingeniouspromotional gimmick from a carrier known for being an aggressivemarketer. AA recently mailed out more than 200,000 pairs of socks tohelp drum up interest in its new, roomier coach-class configurationnow available on nearly the entire fleet.

The socks, usually offered only to passengers in the carrier'sbusiness and first-class cabins, were accompanied by a witty coverletter addressed to the feet of the intended recipients. Even theenvelope address labels said "to the feet of . . ." The mailingswent out to a mix of AA frequent fliers and some who are …